Home / 239,020.20-329,844.96-131,587.92

Finding the Fourth Proportional to 239,020.20, 329,844.96 and 131,587.92

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Solution

The fourth proportional to 239,020.20, 329,844.96 and 131,587.92 is: 181,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,020.20 : 329,844.96 = 131,587.92 : x
  2. Step 2: Convert to fraction form
    239,020.20/329,844.96 = 131,587.92/x
  3. Step 3: Cross multiply
    239,020.20x = 329,844.96 × 131,587.92
  4. Step 4: Simplify right side
    239,020.20x = 43,403,612,208.88
  5. Step 5: Solve for x
    x = 43,403,612,208.88/239,020.20
  6. Step 6: Final answer
    x = 181,589.72

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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.