Home / 168,138.38-252,281.86-88,157.23

Finding the Fourth Proportional to 168,138.38, 252,281.86 and 88,157.23

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Solution

The fourth proportional to 168,138.38, 252,281.86 and 88,157.23 is: 132,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,138.38 : 252,281.86 = 88,157.23 : x
  2. Step 2: Convert to fraction form
    168,138.38/252,281.86 = 88,157.23/x
  3. Step 3: Cross multiply
    168,138.38x = 252,281.86 × 88,157.23
  4. Step 4: Simplify right side
    168,138.38x = 22,240,469,105.75
  5. Step 5: Solve for x
    x = 22,240,469,105.75/168,138.38
  6. Step 6: Final answer
    x = 132,274.79

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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.