Finding the Fourth Proportional to 118,001.53, 176,936.68 and 39,072.70
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Solution
The fourth proportional to 118,001.53, 176,936.68 and 39,072.70 is: 58,587.32
Step by Step Solution
- Step 1: Write the proportion equation
118,001.53 : 176,936.68 = 39,072.70 : x - Step 2: Convert to fraction form
118,001.53/176,936.68 = 39,072.70/x - Step 3: Cross multiply
118,001.53x = 176,936.68 × 39,072.70 - Step 4: Simplify right side
118,001.53x = 6,913,393,816.64 - Step 5: Solve for x
x = 6,913,393,816.64/118,001.53 - Step 6: Final answer
x = 58,587.32
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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.