Home / 95,187.60-131,423.04-85,083.66

Finding the Fourth Proportional to 95,187.60, 131,423.04 and 85,083.66

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Solution

The fourth proportional to 95,187.60, 131,423.04 and 85,083.66 is: 117,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,187.60 : 131,423.04 = 85,083.66 : x
  2. Step 2: Convert to fraction form
    95,187.60/131,423.04 = 85,083.66/x
  3. Step 3: Cross multiply
    95,187.60x = 131,423.04 × 85,083.66
  4. Step 4: Simplify right side
    95,187.60x = 11,181,953,251.53
  5. Step 5: Solve for x
    x = 11,181,953,251.53/95,187.60
  6. Step 6: Final answer
    x = 117,472.79

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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.