Home / 87,195.25-130,885.03-40,493.17

Finding the Fourth Proportional to 87,195.25, 130,885.03 and 40,493.17

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Solution

The fourth proportional to 87,195.25, 130,885.03 and 40,493.17 is: 60,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,195.25 : 130,885.03 = 40,493.17 : x
  2. Step 2: Convert to fraction form
    87,195.25/130,885.03 = 40,493.17/x
  3. Step 3: Cross multiply
    87,195.25x = 130,885.03 × 40,493.17
  4. Step 4: Simplify right side
    87,195.25x = 5,299,949,770.25
  5. Step 5: Solve for x
    x = 5,299,949,770.25/87,195.25
  6. Step 6: Final answer
    x = 60,782.55

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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.