Home / 239,067.27-329,920.10-131,641.16

Finding the Fourth Proportional to 239,067.27, 329,920.10 and 131,641.16

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Solution

The fourth proportional to 239,067.27, 329,920.10 and 131,641.16 is: 181,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,067.27 : 329,920.10 = 131,641.16 : x
  2. Step 2: Convert to fraction form
    239,067.27/329,920.10 = 131,641.16/x
  3. Step 3: Cross multiply
    239,067.27x = 329,920.10 × 131,641.16
  4. Step 4: Simplify right side
    239,067.27x = 43,431,062,363.51
  5. Step 5: Solve for x
    x = 43,431,062,363.51/239,067.27
  6. Step 6: Final answer
    x = 181,668.79

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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.