Home / 195,320.31-292,678.92-131,891.85

Finding the Fourth Proportional to 195,320.31, 292,678.92 and 131,891.85

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Solution

The fourth proportional to 195,320.31, 292,678.92 and 131,891.85 is: 197,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,320.31 : 292,678.92 = 131,891.85 : x
  2. Step 2: Convert to fraction form
    195,320.31/292,678.92 = 131,891.85/x
  3. Step 3: Cross multiply
    195,320.31x = 292,678.92 × 131,891.85
  4. Step 4: Simplify right side
    195,320.31x = 38,601,964,214.80
  5. Step 5: Solve for x
    x = 38,601,964,214.80/195,320.31
  6. Step 6: Final answer
    x = 197,634.15

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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.