Home / 168,613.60-252,937.40-54,756.64

Finding the Fourth Proportional to 168,613.60, 252,937.40 and 54,756.64

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Solution

The fourth proportional to 168,613.60, 252,937.40 and 54,756.64 is: 82,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,613.60 : 252,937.40 = 54,756.64 : x
  2. Step 2: Convert to fraction form
    168,613.60/252,937.40 = 54,756.64/x
  3. Step 3: Cross multiply
    168,613.60x = 252,937.40 × 54,756.64
  4. Step 4: Simplify right side
    168,613.60x = 13,850,002,154.34
  5. Step 5: Solve for x
    x = 13,850,002,154.34/168,613.60
  6. Step 6: Final answer
    x = 82,140.48

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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.