Home / 157,302.60-217,069.92-89,310.66

Finding the Fourth Proportional to 157,302.60, 217,069.92 and 89,310.66

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Solution

The fourth proportional to 157,302.60, 217,069.92 and 89,310.66 is: 123,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,302.60 : 217,069.92 = 89,310.66 : x
  2. Step 2: Convert to fraction form
    157,302.60/217,069.92 = 89,310.66/x
  3. Step 3: Cross multiply
    157,302.60x = 217,069.92 × 89,310.66
  4. Step 4: Simplify right side
    157,302.60x = 19,386,657,821.35
  5. Step 5: Solve for x
    x = 19,386,657,821.35/157,302.60
  6. Step 6: Final answer
    x = 123,244.36

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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.