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Finding the Fourth Proportional to 166,469.91, 249,414.20 and 138,569.32

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Solution

The fourth proportional to 166,469.91, 249,414.20 and 138,569.32 is: 207,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,469.91 : 249,414.20 = 138,569.32 : x
  2. Step 2: Convert to fraction form
    166,469.91/249,414.20 = 138,569.32/x
  3. Step 3: Cross multiply
    166,469.91x = 249,414.20 × 138,569.32
  4. Step 4: Simplify right side
    166,469.91x = 34,561,156,092.34
  5. Step 5: Solve for x
    x = 34,561,156,092.34/166,469.91
  6. Step 6: Final answer
    x = 207,612.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.