Home / 198,947.91-273,940.13-149,960.69

Finding the Fourth Proportional to 198,947.91, 273,940.13 and 149,960.69

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Solution

The fourth proportional to 198,947.91, 273,940.13 and 149,960.69 is: 206,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,947.91 : 273,940.13 = 149,960.69 : x
  2. Step 2: Convert to fraction form
    198,947.91/273,940.13 = 149,960.69/x
  3. Step 3: Cross multiply
    198,947.91x = 273,940.13 × 149,960.69
  4. Step 4: Simplify right side
    198,947.91x = 41,080,250,848.54
  5. Step 5: Solve for x
    x = 41,080,250,848.54/198,947.91
  6. Step 6: Final answer
    x = 206,487.48

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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.