Home / 156,209.28-233,622.72-138,791.04

Finding the Fourth Proportional to 156,209.28, 233,622.72 and 138,791.04

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Solution

The fourth proportional to 156,209.28, 233,622.72 and 138,791.04 is: 207,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,209.28 : 233,622.72 = 138,791.04 : x
  2. Step 2: Convert to fraction form
    156,209.28/233,622.72 = 138,791.04/x
  3. Step 3: Cross multiply
    156,209.28x = 233,622.72 × 138,791.04
  4. Step 4: Simplify right side
    156,209.28x = 32,424,740,276.43
  5. Step 5: Solve for x
    x = 32,424,740,276.43/156,209.28
  6. Step 6: Final answer
    x = 207,572.43

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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.