The Collaborative International Dictionary
Proportionating
Proportionate \Pro*por"tion*ate\, v. t. [imp. & p. p. Proportionated; p. pr. & vb. n. Proportionating.] [Cf. Proportion, v.] To make proportional; to adjust according to a settled rate, or to due comparative relation; to proportion; as, to proportionate punishment to crimes.
Wiktionary
proportionating
vb. (present participle of proportionate English)