Home / 102,432.48-141,366.11-62,156.45

Finding the Fourth Proportional to 102,432.48, 141,366.11 and 62,156.45

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Solution

The fourth proportional to 102,432.48, 141,366.11 and 62,156.45 is: 85,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,432.48 : 141,366.11 = 62,156.45 : x
  2. Step 2: Convert to fraction form
    102,432.48/141,366.11 = 62,156.45/x
  3. Step 3: Cross multiply
    102,432.48x = 141,366.11 × 62,156.45
  4. Step 4: Simplify right side
    102,432.48x = 8,786,814,530.30
  5. Step 5: Solve for x
    x = 8,786,814,530.30/102,432.48
  6. Step 6: Final answer
    x = 85,781.53

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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.