Home / 132,972.30-199,458.45-131,805.90

Finding the Fourth Proportional to 132,972.30, 199,458.45 and 131,805.90

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Solution

The fourth proportional to 132,972.30, 199,458.45 and 131,805.90 is: 197,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,972.30 : 199,458.45 = 131,805.90 : x
  2. Step 2: Convert to fraction form
    132,972.30/199,458.45 = 131,805.90/x
  3. Step 3: Cross multiply
    132,972.30x = 199,458.45 × 131,805.90
  4. Step 4: Simplify right side
    132,972.30x = 26,289,800,514.86
  5. Step 5: Solve for x
    x = 26,289,800,514.86/132,972.30
  6. Step 6: Final answer
    x = 197,708.85

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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.