Home / 95,187.11-131,298.62-61,239.78

Finding the Fourth Proportional to 95,187.11, 131,298.62 and 61,239.78

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Solution

The fourth proportional to 95,187.11, 131,298.62 and 61,239.78 is: 84,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,187.11 : 131,298.62 = 61,239.78 : x
  2. Step 2: Convert to fraction form
    95,187.11/131,298.62 = 61,239.78/x
  3. Step 3: Cross multiply
    95,187.11x = 131,298.62 × 61,239.78
  4. Step 4: Simplify right side
    95,187.11x = 8,040,698,296.90
  5. Step 5: Solve for x
    x = 8,040,698,296.90/95,187.11
  6. Step 6: Final answer
    x = 84,472.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.