Home / 132,454.96-198,689.30-43,715.38

Finding the Fourth Proportional to 132,454.96, 198,689.30 and 43,715.38

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Solution

The fourth proportional to 132,454.96, 198,689.30 and 43,715.38 is: 65,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,454.96 : 198,689.30 = 43,715.38 : x
  2. Step 2: Convert to fraction form
    132,454.96/198,689.30 = 43,715.38/x
  3. Step 3: Cross multiply
    132,454.96x = 198,689.30 × 43,715.38
  4. Step 4: Simplify right side
    132,454.96x = 8,685,778,251.43
  5. Step 5: Solve for x
    x = 8,685,778,251.43/132,454.96
  6. Step 6: Final answer
    x = 65,575.33

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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.