Home / 131,765.59-197,400.39-65,127.70

Finding the Fourth Proportional to 131,765.59, 197,400.39 and 65,127.70

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Solution

The fourth proportional to 131,765.59, 197,400.39 and 65,127.70 is: 97,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,765.59 : 197,400.39 = 65,127.70 : x
  2. Step 2: Convert to fraction form
    131,765.59/197,400.39 = 65,127.70/x
  3. Step 3: Cross multiply
    131,765.59x = 197,400.39 × 65,127.70
  4. Step 4: Simplify right side
    131,765.59x = 12,856,233,379.80
  5. Step 5: Solve for x
    x = 12,856,233,379.80/131,765.59
  6. Step 6: Final answer
    x = 97,568.97

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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.