Home / 132,105.43-198,180.15-43,335.10

Finding the Fourth Proportional to 132,105.43, 198,180.15 and 43,335.10

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Solution

The fourth proportional to 132,105.43, 198,180.15 and 43,335.10 is: 65,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,105.43 : 198,180.15 = 43,335.10 : x
  2. Step 2: Convert to fraction form
    132,105.43/198,180.15 = 43,335.10/x
  3. Step 3: Cross multiply
    132,105.43x = 198,180.15 × 43,335.10
  4. Step 4: Simplify right side
    132,105.43x = 8,588,156,618.27
  5. Step 5: Solve for x
    x = 8,588,156,618.27/132,105.43
  6. Step 6: Final answer
    x = 65,009.87

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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.