Home / 143,908.17-198,648.01-108,201.95

Finding the Fourth Proportional to 143,908.17, 198,648.01 and 108,201.95

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Solution

The fourth proportional to 143,908.17, 198,648.01 and 108,201.95 is: 149,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,908.17 : 198,648.01 = 108,201.95 : x
  2. Step 2: Convert to fraction form
    143,908.17/198,648.01 = 108,201.95/x
  3. Step 3: Cross multiply
    143,908.17x = 198,648.01 × 108,201.95
  4. Step 4: Simplify right side
    143,908.17x = 21,494,102,045.62
  5. Step 5: Solve for x
    x = 21,494,102,045.62/143,908.17
  6. Step 6: Final answer
    x = 149,359.85

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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.