Home / 132,429.89-198,650.95-43,691.15

Finding the Fourth Proportional to 132,429.89, 198,650.95 and 43,691.15

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Solution

The fourth proportional to 132,429.89, 198,650.95 and 43,691.15 is: 65,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,429.89 : 198,650.95 = 43,691.15 : x
  2. Step 2: Convert to fraction form
    132,429.89/198,650.95 = 43,691.15/x
  3. Step 3: Cross multiply
    132,429.89x = 198,650.95 × 43,691.15
  4. Step 4: Simplify right side
    132,429.89x = 8,679,288,066.69
  5. Step 5: Solve for x
    x = 8,679,288,066.69/132,429.89
  6. Step 6: Final answer
    x = 65,538.74

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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.