Home / 168,769.79-253,279.26-80,023.61

Finding the Fourth Proportional to 168,769.79, 253,279.26 and 80,023.61

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Solution

The fourth proportional to 168,769.79, 253,279.26 and 80,023.61 is: 120,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,769.79 : 253,279.26 = 80,023.61 : x
  2. Step 2: Convert to fraction form
    168,769.79/253,279.26 = 80,023.61/x
  3. Step 3: Cross multiply
    168,769.79x = 253,279.26 × 80,023.61
  4. Step 4: Simplify right side
    168,769.79x = 20,268,320,723.33
  5. Step 5: Solve for x
    x = 20,268,320,723.33/168,769.79
  6. Step 6: Final answer
    x = 120,094.48

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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.