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Finding the Fourth Proportional to 95,446.44, 131,735.44 and 55,161.90

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Solution

The fourth proportional to 95,446.44, 131,735.44 and 55,161.90 is: 76,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,446.44 : 131,735.44 = 55,161.90 : x
  2. Step 2: Convert to fraction form
    95,446.44/131,735.44 = 55,161.90/x
  3. Step 3: Cross multiply
    95,446.44x = 131,735.44 × 55,161.90
  4. Step 4: Simplify right side
    95,446.44x = 7,266,777,167.74
  5. Step 5: Solve for x
    x = 7,266,777,167.74/95,446.44
  6. Step 6: Final answer
    x = 76,134.61

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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.