Finding the Fourth Proportional to 118,755.92, 177,886.02 and 71,220.26
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Solution
The fourth proportional to 118,755.92, 177,886.02 and 71,220.26 is: 106,681.75
Step by Step Solution
- Step 1: Write the proportion equation
118,755.92 : 177,886.02 = 71,220.26 : x - Step 2: Convert to fraction form
118,755.92/177,886.02 = 71,220.26/x - Step 3: Cross multiply
118,755.92x = 177,886.02 × 71,220.26 - Step 4: Simplify right side
118,755.92x = 12,669,089,306.56 - Step 5: Solve for x
x = 12,669,089,306.56/118,755.92 - Step 6: Final answer
x = 106,681.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.