Home / 87,254.73-130,888.85-28,092.20

Finding the Fourth Proportional to 87,254.73, 130,888.85 and 28,092.20

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Solution

The fourth proportional to 87,254.73, 130,888.85 and 28,092.20 is: 42,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,254.73 : 130,888.85 = 28,092.20 : x
  2. Step 2: Convert to fraction form
    87,254.73/130,888.85 = 28,092.20/x
  3. Step 3: Cross multiply
    87,254.73x = 130,888.85 × 28,092.20
  4. Step 4: Simplify right side
    87,254.73x = 3,676,954,957.06
  5. Step 5: Solve for x
    x = 3,676,954,957.06/87,254.73
  6. Step 6: Final answer
    x = 42,140.47

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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.