Home / 99,462.28-149,253.31-36,287.95

Finding the Fourth Proportional to 99,462.28, 149,253.31 and 36,287.95

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Solution

The fourth proportional to 99,462.28, 149,253.31 and 36,287.95 is: 54,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,462.28 : 149,253.31 = 36,287.95 : x
  2. Step 2: Convert to fraction form
    99,462.28/149,253.31 = 36,287.95/x
  3. Step 3: Cross multiply
    99,462.28x = 149,253.31 × 36,287.95
  4. Step 4: Simplify right side
    99,462.28x = 5,416,096,650.61
  5. Step 5: Solve for x
    x = 5,416,096,650.61/99,462.28
  6. Step 6: Final answer
    x = 54,453.78

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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.