Home / 143,764.93-198,396.42-83,371.43

Finding the Fourth Proportional to 143,764.93, 198,396.42 and 83,371.43

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Solution

The fourth proportional to 143,764.93, 198,396.42 and 83,371.43 is: 115,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,764.93 : 198,396.42 = 83,371.43 : x
  2. Step 2: Convert to fraction form
    143,764.93/198,396.42 = 83,371.43/x
  3. Step 3: Cross multiply
    143,764.93x = 198,396.42 × 83,371.43
  4. Step 4: Simplify right side
    143,764.93x = 16,540,592,825.42
  5. Step 5: Solve for x
    x = 16,540,592,825.42/143,764.93
  6. Step 6: Final answer
    x = 115,053.04

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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.