Home / 143,982.26-215,805.18-108,329

Finding the Fourth Proportional to 143,982.26, 215,805.18 and 108,329

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Solution

The fourth proportional to 143,982.26, 215,805.18 and 108,329 is: 162,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,982.26 : 215,805.18 = 108,329 : x
  2. Step 2: Convert to fraction form
    143,982.26/215,805.18 = 108,329/x
  3. Step 3: Cross multiply
    143,982.26x = 215,805.18 × 108,329
  4. Step 4: Simplify right side
    143,982.26x = 23,377,959,344.22
  5. Step 5: Solve for x
    x = 23,377,959,344.22/143,982.26
  6. Step 6: Final answer
    x = 162,366.94

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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.