Home / 87,204.28-130,641.36-51,558.88

Finding the Fourth Proportional to 87,204.28, 130,641.36 and 51,558.88

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Solution

The fourth proportional to 87,204.28, 130,641.36 and 51,558.88 is: 77,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,204.28 : 130,641.36 = 51,558.88 : x
  2. Step 2: Convert to fraction form
    87,204.28/130,641.36 = 51,558.88/x
  3. Step 3: Cross multiply
    87,204.28x = 130,641.36 × 51,558.88
  4. Step 4: Simplify right side
    87,204.28x = 6,735,722,203.28
  5. Step 5: Solve for x
    x = 6,735,722,203.28/87,204.28
  6. Step 6: Final answer
    x = 77,240.73

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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.