Home / 137,624.91-206,145.75-103,974.27

Finding the Fourth Proportional to 137,624.91, 206,145.75 and 103,974.27

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Solution

The fourth proportional to 137,624.91, 206,145.75 and 103,974.27 is: 155,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,624.91 : 206,145.75 = 103,974.27 : x
  2. Step 2: Convert to fraction form
    137,624.91/206,145.75 = 103,974.27/x
  3. Step 3: Cross multiply
    137,624.91x = 206,145.75 × 103,974.27
  4. Step 4: Simplify right side
    137,624.91x = 21,433,853,869.85
  5. Step 5: Solve for x
    x = 21,433,853,869.85/137,624.91
  6. Step 6: Final answer
    x = 155,741.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.