Home / 143,693.24-198,302.82-80,031.04

Finding the Fourth Proportional to 143,693.24, 198,302.82 and 80,031.04

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Solution

The fourth proportional to 143,693.24, 198,302.82 and 80,031.04 is: 110,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,693.24 : 198,302.82 = 80,031.04 : x
  2. Step 2: Convert to fraction form
    143,693.24/198,302.82 = 80,031.04/x
  3. Step 3: Cross multiply
    143,693.24x = 198,302.82 × 80,031.04
  4. Step 4: Simplify right side
    143,693.24x = 15,870,380,123.66
  5. Step 5: Solve for x
    x = 15,870,380,123.66/143,693.24
  6. Step 6: Final answer
    x = 110,446.26

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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.