Finding the Fourth Proportional to 159,517.53, 220,143.99 and 87,897.54
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Solution
The fourth proportional to 159,517.53, 220,143.99 and 87,897.54 is: 121,304.00
Step by Step Solution
- Step 1: Write the proportion equation
159,517.53 : 220,143.99 = 87,897.54 : x - Step 2: Convert to fraction form
159,517.53/220,143.99 = 87,897.54/x - Step 3: Cross multiply
159,517.53x = 220,143.99 × 87,897.54 - Step 4: Simplify right side
159,517.53x = 19,350,115,166.78 - Step 5: Solve for x
x = 19,350,115,166.78/159,517.53 - Step 6: Final answer
x = 121,304.00
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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.