Home / 157,877.96-217,861.13-89,901.89

Finding the Fourth Proportional to 157,877.96, 217,861.13 and 89,901.89

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Solution

The fourth proportional to 157,877.96, 217,861.13 and 89,901.89 is: 124,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,877.96 : 217,861.13 = 89,901.89 : x
  2. Step 2: Convert to fraction form
    157,877.96/217,861.13 = 89,901.89/x
  3. Step 3: Cross multiply
    157,877.96x = 217,861.13 × 89,901.89
  4. Step 4: Simplify right side
    157,877.96x = 19,586,126,479.98
  5. Step 5: Solve for x
    x = 19,586,126,479.98/157,877.96
  6. Step 6: Final answer
    x = 124,058.65

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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.