Home / 168,456.20-252,669.72-68,626.94

Finding the Fourth Proportional to 168,456.20, 252,669.72 and 68,626.94

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Solution

The fourth proportional to 168,456.20, 252,669.72 and 68,626.94 is: 102,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,456.20 : 252,669.72 = 68,626.94 : x
  2. Step 2: Convert to fraction form
    168,456.20/252,669.72 = 68,626.94/x
  3. Step 3: Cross multiply
    168,456.20x = 252,669.72 × 68,626.94
  4. Step 4: Simplify right side
    168,456.20x = 17,339,949,714.26
  5. Step 5: Solve for x
    x = 17,339,949,714.26/168,456.20
  6. Step 6: Final answer
    x = 102,934.47

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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.