Home / 198,076.88-273,321.54-126,498.80

Finding the Fourth Proportional to 198,076.88, 273,321.54 and 126,498.80

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Solution

The fourth proportional to 198,076.88, 273,321.54 and 126,498.80 is: 174,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,076.88 : 273,321.54 = 126,498.80 : x
  2. Step 2: Convert to fraction form
    198,076.88/273,321.54 = 126,498.80/x
  3. Step 3: Cross multiply
    198,076.88x = 273,321.54 × 126,498.80
  4. Step 4: Simplify right side
    198,076.88x = 34,574,846,824.15
  5. Step 5: Solve for x
    x = 34,574,846,824.15/198,076.88
  6. Step 6: Final answer
    x = 174,552.66

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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.