Home / 168,920.88-253,449-63,769.68

Finding the Fourth Proportional to 168,920.88, 253,449 and 63,769.68

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Solution

The fourth proportional to 168,920.88, 253,449 and 63,769.68 is: 95,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,920.88 : 253,449 = 63,769.68 : x
  2. Step 2: Convert to fraction form
    168,920.88/253,449 = 63,769.68/x
  3. Step 3: Cross multiply
    168,920.88x = 253,449 × 63,769.68
  4. Step 4: Simplify right side
    168,920.88x = 16,162,361,626.32
  5. Step 5: Solve for x
    x = 16,162,361,626.32/168,920.88
  6. Step 6: Final answer
    x = 95,680.07

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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.