Home / 131,867.76-197,711.55-63,443.19

Finding the Fourth Proportional to 131,867.76, 197,711.55 and 63,443.19

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Solution

The fourth proportional to 131,867.76, 197,711.55 and 63,443.19 is: 95,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,867.76 : 197,711.55 = 63,443.19 : x
  2. Step 2: Convert to fraction form
    131,867.76/197,711.55 = 63,443.19/x
  3. Step 3: Cross multiply
    131,867.76x = 197,711.55 × 63,443.19
  4. Step 4: Simplify right side
    131,867.76x = 12,543,451,431.84
  5. Step 5: Solve for x
    x = 12,543,451,431.84/131,867.76
  6. Step 6: Final answer
    x = 95,121.44

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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.