Finding the Fourth Proportional to 121,616.29, 167,828.84 and 67,902.13
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Solution
The fourth proportional to 121,616.29, 167,828.84 and 67,902.13 is: 93,704.02
Step by Step Solution
- Step 1: Write the proportion equation
121,616.29 : 167,828.84 = 67,902.13 : x - Step 2: Convert to fraction form
121,616.29/167,828.84 = 67,902.13/x - Step 3: Cross multiply
121,616.29x = 167,828.84 × 67,902.13 - Step 4: Simplify right side
121,616.29x = 11,395,935,711.43 - Step 5: Solve for x
x = 11,395,935,711.43/121,616.29 - Step 6: Final answer
x = 93,704.02
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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.