Home / 219,377.24-329,065.86-79,135.85

Finding the Fourth Proportional to 219,377.24, 329,065.86 and 79,135.85

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Solution

The fourth proportional to 219,377.24, 329,065.86 and 79,135.85 is: 118,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,377.24 : 329,065.86 = 79,135.85 : x
  2. Step 2: Convert to fraction form
    219,377.24/329,065.86 = 79,135.85/x
  3. Step 3: Cross multiply
    219,377.24x = 329,065.86 × 79,135.85
  4. Step 4: Simplify right side
    219,377.24x = 26,040,906,537.08
  5. Step 5: Solve for x
    x = 26,040,906,537.08/219,377.24
  6. Step 6: Final answer
    x = 118,703.78

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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.