Home / 236,757.38-326,723.22-129,327.44

Finding the Fourth Proportional to 236,757.38, 326,723.22 and 129,327.44

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Solution

The fourth proportional to 236,757.38, 326,723.22 and 129,327.44 is: 178,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,757.38 : 326,723.22 = 129,327.44 : x
  2. Step 2: Convert to fraction form
    236,757.38/326,723.22 = 129,327.44/x
  3. Step 3: Cross multiply
    236,757.38x = 326,723.22 × 129,327.44
  4. Step 4: Simplify right side
    236,757.38x = 42,254,277,631.16
  5. Step 5: Solve for x
    x = 42,254,277,631.16/236,757.38
  6. Step 6: Final answer
    x = 178,470.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.