Home / 206,371.60-284,672.14-129,769.43

Finding the Fourth Proportional to 206,371.60, 284,672.14 and 129,769.43

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Solution

The fourth proportional to 206,371.60, 284,672.14 and 129,769.43 is: 179,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,371.60 : 284,672.14 = 129,769.43 : x
  2. Step 2: Convert to fraction form
    206,371.60/284,672.14 = 129,769.43/x
  3. Step 3: Cross multiply
    206,371.60x = 284,672.14 × 129,769.43
  4. Step 4: Simplify right side
    206,371.60x = 36,941,739,596.90
  5. Step 5: Solve for x
    x = 36,941,739,596.90/206,371.60
  6. Step 6: Final answer
    x = 179,005.93

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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.