Home / 143,205.35-197,578.91-82,753.97

Finding the Fourth Proportional to 143,205.35, 197,578.91 and 82,753.97

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Solution

The fourth proportional to 143,205.35, 197,578.91 and 82,753.97 is: 114,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,205.35 : 197,578.91 = 82,753.97 : x
  2. Step 2: Convert to fraction form
    143,205.35/197,578.91 = 82,753.97/x
  3. Step 3: Cross multiply
    143,205.35x = 197,578.91 × 82,753.97
  4. Step 4: Simplify right side
    143,205.35x = 16,350,438,777.00
  5. Step 5: Solve for x
    x = 16,350,438,777.00/143,205.35
  6. Step 6: Final answer
    x = 114,174.78

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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.