Home / 198,029.97-273,295.82-113,145.21

Finding the Fourth Proportional to 198,029.97, 273,295.82 and 113,145.21

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Solution

The fourth proportional to 198,029.97, 273,295.82 and 113,145.21 is: 156,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,029.97 : 273,295.82 = 113,145.21 : x
  2. Step 2: Convert to fraction form
    198,029.97/273,295.82 = 113,145.21/x
  3. Step 3: Cross multiply
    198,029.97x = 273,295.82 × 113,145.21
  4. Step 4: Simplify right side
    198,029.97x = 30,922,112,946.02
  5. Step 5: Solve for x
    x = 30,922,112,946.02/198,029.97
  6. Step 6: Final answer
    x = 156,148.65

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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.