Home / 198,645.90-273,863.01-134,872.98

Finding the Fourth Proportional to 198,645.90, 273,863.01 and 134,872.98

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Solution

The fourth proportional to 198,645.90, 273,863.01 and 134,872.98 is: 185,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,645.90 : 273,863.01 = 134,872.98 : x
  2. Step 2: Convert to fraction form
    198,645.90/273,863.01 = 134,872.98/x
  3. Step 3: Cross multiply
    198,645.90x = 273,863.01 × 134,872.98
  4. Step 4: Simplify right side
    198,645.90x = 36,936,720,270.47
  5. Step 5: Solve for x
    x = 36,936,720,270.47/198,645.90
  6. Step 6: Final answer
    x = 185,942.53

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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.