Home / 239,062.28-329,908.38-131,642.29

Finding the Fourth Proportional to 239,062.28, 329,908.38 and 131,642.29

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Solution

The fourth proportional to 239,062.28, 329,908.38 and 131,642.29 is: 181,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,062.28 : 329,908.38 = 131,642.29 : x
  2. Step 2: Convert to fraction form
    239,062.28/329,908.38 = 131,642.29/x
  3. Step 3: Cross multiply
    239,062.28x = 329,908.38 × 131,642.29
  4. Step 4: Simplify right side
    239,062.28x = 43,429,892,983.85
  5. Step 5: Solve for x
    x = 43,429,892,983.85/239,062.28
  6. Step 6: Final answer
    x = 181,667.69

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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.