Finding the Fourth Proportional to 118,001.88, 176,910.68 and 80,468.91
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Solution
The fourth proportional to 118,001.88, 176,910.68 and 80,468.91 is: 120,640.53
Step by Step Solution
- Step 1: Write the proportion equation
118,001.88 : 176,910.68 = 80,468.91 : x - Step 2: Convert to fraction form
118,001.88/176,910.68 = 80,468.91/x - Step 3: Cross multiply
118,001.88x = 176,910.68 × 80,468.91 - Step 4: Simplify right side
118,001.88x = 14,235,809,788.13 - Step 5: Solve for x
x = 14,235,809,788.13/118,001.88 - Step 6: Final answer
x = 120,640.53
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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.