Home / 144,934.20-217,422.90-51,432.12

Finding the Fourth Proportional to 144,934.20, 217,422.90 and 51,432.12

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Solution

The fourth proportional to 144,934.20, 217,422.90 and 51,432.12 is: 77,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,934.20 : 217,422.90 = 51,432.12 : x
  2. Step 2: Convert to fraction form
    144,934.20/217,422.90 = 51,432.12/x
  3. Step 3: Cross multiply
    144,934.20x = 217,422.90 × 51,432.12
  4. Step 4: Simplify right side
    144,934.20x = 11,182,520,683.55
  5. Step 5: Solve for x
    x = 11,182,520,683.55/144,934.20
  6. Step 6: Final answer
    x = 77,155.85

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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.