Home / 169,724.28-254,198.88-81,040.04

Finding the Fourth Proportional to 169,724.28, 254,198.88 and 81,040.04

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Solution

The fourth proportional to 169,724.28, 254,198.88 and 81,040.04 is: 121,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,724.28 : 254,198.88 = 81,040.04 : x
  2. Step 2: Convert to fraction form
    169,724.28/254,198.88 = 81,040.04/x
  3. Step 3: Cross multiply
    169,724.28x = 254,198.88 × 81,040.04
  4. Step 4: Simplify right side
    169,724.28x = 20,600,287,403.16
  5. Step 5: Solve for x
    x = 20,600,287,403.16/169,724.28
  6. Step 6: Final answer
    x = 121,375.02

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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.