In proportion
'in proportion' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for pro rata that I've seen before include "Proportionately based" , "Proportional, according to the rate" , "fairly divided" , "Proportionally" , "In proportion (Latin)" .)
'in proportion' is the definition.
(I've seen this before)
This is all the clue.
(Another definition for prorata that I've seen is " according to mathematical requirements".)
'in proportion' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for commensurate that I've seen before include "Appropriate (to)" , "equal" , "Corresponding with" , "Proportionate" , "In proportion" .)