Home / 131,432.32-197,204.97-42,713.02

Finding the Fourth Proportional to 131,432.32, 197,204.97 and 42,713.02

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Solution

The fourth proportional to 131,432.32, 197,204.97 and 42,713.02 is: 64,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.32 : 197,204.97 = 42,713.02 : x
  2. Step 2: Convert to fraction form
    131,432.32/197,204.97 = 42,713.02/x
  3. Step 3: Cross multiply
    131,432.32x = 197,204.97 × 42,713.02
  4. Step 4: Simplify right side
    131,432.32x = 8,423,218,841.68
  5. Step 5: Solve for x
    x = 8,423,218,841.68/131,432.32
  6. Step 6: Final answer
    x = 64,087.88

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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.