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Finding the Fourth Proportional to 169,414.80, 254,145.72 and 57,127.20

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Solution

The fourth proportional to 169,414.80, 254,145.72 and 57,127.20 is: 85,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,414.80 : 254,145.72 = 57,127.20 : x
  2. Step 2: Convert to fraction form
    169,414.80/254,145.72 = 57,127.20/x
  3. Step 3: Cross multiply
    169,414.80x = 254,145.72 × 57,127.20
  4. Step 4: Simplify right side
    169,414.80x = 14,518,633,375.58
  5. Step 5: Solve for x
    x = 14,518,633,375.58/169,414.80
  6. Step 6: Final answer
    x = 85,698.73

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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.