Home / 87,902.78-131,857.82-25,573.28

Finding the Fourth Proportional to 87,902.78, 131,857.82 and 25,573.28

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Solution

The fourth proportional to 87,902.78, 131,857.82 and 25,573.28 is: 38,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,902.78 : 131,857.82 = 25,573.28 : x
  2. Step 2: Convert to fraction form
    87,902.78/131,857.82 = 25,573.28/x
  3. Step 3: Cross multiply
    87,902.78x = 131,857.82 × 25,573.28
  4. Step 4: Simplify right side
    87,902.78x = 3,372,036,163.89
  5. Step 5: Solve for x
    x = 3,372,036,163.89/87,902.78
  6. Step 6: Final answer
    x = 38,360.98

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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.