Home / 239,067.77-329,920.79-131,641.66

Finding the Fourth Proportional to 239,067.77, 329,920.79 and 131,641.66

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Solution

The fourth proportional to 239,067.77, 329,920.79 and 131,641.66 is: 181,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,067.77 : 329,920.79 = 131,641.66 : x
  2. Step 2: Convert to fraction form
    239,067.77/329,920.79 = 131,641.66/x
  3. Step 3: Cross multiply
    239,067.77x = 329,920.79 × 131,641.66
  4. Step 4: Simplify right side
    239,067.77x = 43,431,318,156.30
  5. Step 5: Solve for x
    x = 43,431,318,156.30/239,067.77
  6. Step 6: Final answer
    x = 181,669.48

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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.