Home / 87,458.82-131,187.60-75,576.42

Finding the Fourth Proportional to 87,458.82, 131,187.60 and 75,576.42

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Solution

The fourth proportional to 87,458.82, 131,187.60 and 75,576.42 is: 113,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,458.82 : 131,187.60 = 75,576.42 : x
  2. Step 2: Convert to fraction form
    87,458.82/131,187.60 = 75,576.42/x
  3. Step 3: Cross multiply
    87,458.82x = 131,187.60 × 75,576.42
  4. Step 4: Simplify right side
    87,458.82x = 9,914,689,156.39
  5. Step 5: Solve for x
    x = 9,914,689,156.39/87,458.82
  6. Step 6: Final answer
    x = 113,364.09

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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.