Home / 87,229.08-130,865.52-34,621.20

Finding the Fourth Proportional to 87,229.08, 130,865.52 and 34,621.20

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Solution

The fourth proportional to 87,229.08, 130,865.52 and 34,621.20 is: 51,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,229.08 : 130,865.52 = 34,621.20 : x
  2. Step 2: Convert to fraction form
    87,229.08/130,865.52 = 34,621.20/x
  3. Step 3: Cross multiply
    87,229.08x = 130,865.52 × 34,621.20
  4. Step 4: Simplify right side
    87,229.08x = 4,530,721,341.02
  5. Step 5: Solve for x
    x = 4,530,721,341.02/87,229.08
  6. Step 6: Final answer
    x = 51,940.49

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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.