Home / 87,197.28-130,630.86-51,551.88

Finding the Fourth Proportional to 87,197.28, 130,630.86 and 51,551.88

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Solution

The fourth proportional to 87,197.28, 130,630.86 and 51,551.88 is: 77,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,197.28 : 130,630.86 = 51,551.88 : x
  2. Step 2: Convert to fraction form
    87,197.28/130,630.86 = 51,551.88/x
  3. Step 3: Cross multiply
    87,197.28x = 130,630.86 × 51,551.88
  4. Step 4: Simplify right side
    87,197.28x = 6,734,266,419.02
  5. Step 5: Solve for x
    x = 6,734,266,419.02/87,197.28
  6. Step 6: Final answer
    x = 77,230.23

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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.