Home / 124,834.20-187,251.30-49,965.90

Finding the Fourth Proportional to 124,834.20, 187,251.30 and 49,965.90

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Solution

The fourth proportional to 124,834.20, 187,251.30 and 49,965.90 is: 74,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.20 : 187,251.30 = 49,965.90 : x
  2. Step 2: Convert to fraction form
    124,834.20/187,251.30 = 49,965.90/x
  3. Step 3: Cross multiply
    124,834.20x = 187,251.30 × 49,965.90
  4. Step 4: Simplify right side
    124,834.20x = 9,356,179,730.67
  5. Step 5: Solve for x
    x = 9,356,179,730.67/124,834.20
  6. Step 6: Final answer
    x = 74,948.85

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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.