Finding the Fourth Proportional to 159,736.89, 220,436.93 and 88,117.09
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Solution
The fourth proportional to 159,736.89, 220,436.93 and 88,117.09 is: 121,601.60
Step by Step Solution
- Step 1: Write the proportion equation
159,736.89 : 220,436.93 = 88,117.09 : x - Step 2: Convert to fraction form
159,736.89/220,436.93 = 88,117.09/x - Step 3: Cross multiply
159,736.89x = 220,436.93 × 88,117.09 - Step 4: Simplify right side
159,736.89x = 19,424,260,800.13 - Step 5: Solve for x
x = 19,424,260,800.13/159,736.89 - Step 6: Final answer
x = 121,601.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.