Home / 159,198.38-219,514.39-122,817.02

Finding the Fourth Proportional to 159,198.38, 219,514.39 and 122,817.02

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Solution

The fourth proportional to 159,198.38, 219,514.39 and 122,817.02 is: 169,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,198.38 : 219,514.39 = 122,817.02 : x
  2. Step 2: Convert to fraction form
    159,198.38/219,514.39 = 122,817.02/x
  3. Step 3: Cross multiply
    159,198.38x = 219,514.39 × 122,817.02
  4. Step 4: Simplify right side
    159,198.38x = 26,960,103,226.92
  5. Step 5: Solve for x
    x = 26,960,103,226.92/159,198.38
  6. Step 6: Final answer
    x = 169,349.11

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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.