Home / 238,787.87-329,514.26-131,340.56

Finding the Fourth Proportional to 238,787.87, 329,514.26 and 131,340.56

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Solution

The fourth proportional to 238,787.87, 329,514.26 and 131,340.56 is: 181,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,787.87 : 329,514.26 = 131,340.56 : x
  2. Step 2: Convert to fraction form
    238,787.87/329,514.26 = 131,340.56/x
  3. Step 3: Cross multiply
    238,787.87x = 329,514.26 × 131,340.56
  4. Step 4: Simplify right side
    238,787.87x = 43,278,585,132.11
  5. Step 5: Solve for x
    x = 43,278,585,132.11/238,787.87
  6. Step 6: Final answer
    x = 181,242.82

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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.