Home / 131,836.68-197,753.54-31,997.97

Finding the Fourth Proportional to 131,836.68, 197,753.54 and 31,997.97

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Solution

The fourth proportional to 131,836.68, 197,753.54 and 31,997.97 is: 47,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,836.68 : 197,753.54 = 31,997.97 : x
  2. Step 2: Convert to fraction form
    131,836.68/197,753.54 = 31,997.97/x
  3. Step 3: Cross multiply
    131,836.68x = 197,753.54 × 31,997.97
  4. Step 4: Simplify right side
    131,836.68x = 6,327,711,680.32
  5. Step 5: Solve for x
    x = 6,327,711,680.32/131,836.68
  6. Step 6: Final answer
    x = 47,996.59

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1.5x scale

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.