Home / 204,338.91-281,836.89-140,697.21

Finding the Fourth Proportional to 204,338.91, 281,836.89 and 140,697.21

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Solution

The fourth proportional to 204,338.91, 281,836.89 and 140,697.21 is: 194,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,338.91 : 281,836.89 = 140,697.21 : x
  2. Step 2: Convert to fraction form
    204,338.91/281,836.89 = 140,697.21/x
  3. Step 3: Cross multiply
    204,338.91x = 281,836.89 × 140,697.21
  4. Step 4: Simplify right side
    204,338.91x = 39,653,664,098.08
  5. Step 5: Solve for x
    x = 39,653,664,098.08/204,338.91
  6. Step 6: Final answer
    x = 194,058.31

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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.