Home / 198,012.88-273,233.26-126,434.80

Finding the Fourth Proportional to 198,012.88, 273,233.26 and 126,434.80

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Solution

The fourth proportional to 198,012.88, 273,233.26 and 126,434.80 is: 174,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,012.88 : 273,233.26 = 126,434.80 : x
  2. Step 2: Convert to fraction form
    198,012.88/273,233.26 = 126,434.80/x
  3. Step 3: Cross multiply
    198,012.88x = 273,233.26 × 126,434.80
  4. Step 4: Simplify right side
    198,012.88x = 34,546,192,581.45
  5. Step 5: Solve for x
    x = 34,546,192,581.45/198,012.88
  6. Step 6: Final answer
    x = 174,464.37

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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.