Home / 198,149.88-273,451.56-113,274.84

Finding the Fourth Proportional to 198,149.88, 273,451.56 and 113,274.84

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Solution

The fourth proportional to 198,149.88, 273,451.56 and 113,274.84 is: 156,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,149.88 : 273,451.56 = 113,274.84 : x
  2. Step 2: Convert to fraction form
    198,149.88/273,451.56 = 113,274.84/x
  3. Step 3: Cross multiply
    198,149.88x = 273,451.56 × 113,274.84
  4. Step 4: Simplify right side
    198,149.88x = 30,975,181,706.75
  5. Step 5: Solve for x
    x = 30,975,181,706.75/198,149.88
  6. Step 6: Final answer
    x = 156,321.98

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1.5x scale

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.