Home / 239,988.11-331,155.20-132,551.73

Finding the Fourth Proportional to 239,988.11, 331,155.20 and 132,551.73

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Solution

The fourth proportional to 239,988.11, 331,155.20 and 132,551.73 is: 182,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,988.11 : 331,155.20 = 132,551.73 : x
  2. Step 2: Convert to fraction form
    239,988.11/331,155.20 = 132,551.73/x
  3. Step 3: Cross multiply
    239,988.11x = 331,155.20 × 132,551.73
  4. Step 4: Simplify right side
    239,988.11x = 43,895,194,989.88
  5. Step 5: Solve for x
    x = 43,895,194,989.88/239,988.11
  6. Step 6: Final answer
    x = 182,905.71

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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.