Home / 87,455-131,204.64-25,125.50

Finding the Fourth Proportional to 87,455, 131,204.64 and 25,125.50

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Solution

The fourth proportional to 87,455, 131,204.64 and 25,125.50 is: 37,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455 : 131,204.64 = 25,125.50 : x
  2. Step 2: Convert to fraction form
    87,455/131,204.64 = 25,125.50/x
  3. Step 3: Cross multiply
    87,455x = 131,204.64 × 25,125.50
  4. Step 4: Simplify right side
    87,455x = 3,296,582,182.32
  5. Step 5: Solve for x
    x = 3,296,582,182.32/87,455
  6. Step 6: Final answer
    x = 37,694.61

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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.