Home / 143,204.85-197,578.22-82,753.47

Finding the Fourth Proportional to 143,204.85, 197,578.22 and 82,753.47

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Solution

The fourth proportional to 143,204.85, 197,578.22 and 82,753.47 is: 114,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,204.85 : 197,578.22 = 82,753.47 : x
  2. Step 2: Convert to fraction form
    143,204.85/197,578.22 = 82,753.47/x
  3. Step 3: Cross multiply
    143,204.85x = 197,578.22 × 82,753.47
  4. Step 4: Simplify right side
    143,204.85x = 16,350,282,887.66
  5. Step 5: Solve for x
    x = 16,350,282,887.66/143,204.85
  6. Step 6: Final answer
    x = 114,174.09

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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.