Home / 132,471.52-198,731.64-43,731.16

Finding the Fourth Proportional to 132,471.52, 198,731.64 and 43,731.16

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Solution

The fourth proportional to 132,471.52, 198,731.64 and 43,731.16 is: 65,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,471.52 : 198,731.64 = 43,731.16 : x
  2. Step 2: Convert to fraction form
    132,471.52/198,731.64 = 43,731.16/x
  3. Step 3: Cross multiply
    132,471.52x = 198,731.64 × 43,731.16
  4. Step 4: Simplify right side
    132,471.52x = 8,690,765,145.90
  5. Step 5: Solve for x
    x = 8,690,765,145.90/132,471.52
  6. Step 6: Final answer
    x = 65,604.78

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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.