Home / 168,254.20-252,375.83-68,387.58

Finding the Fourth Proportional to 168,254.20, 252,375.83 and 68,387.58

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Solution

The fourth proportional to 168,254.20, 252,375.83 and 68,387.58 is: 102,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,254.20 : 252,375.83 = 68,387.58 : x
  2. Step 2: Convert to fraction form
    168,254.20/252,375.83 = 68,387.58/x
  3. Step 3: Cross multiply
    168,254.20x = 252,375.83 × 68,387.58
  4. Step 4: Simplify right side
    168,254.20x = 17,259,372,264.19
  5. Step 5: Solve for x
    x = 17,259,372,264.19/168,254.20
  6. Step 6: Final answer
    x = 102,579.15

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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.