Home / 198,188.88-273,727.80-130,508.43

Finding the Fourth Proportional to 198,188.88, 273,727.80 and 130,508.43

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Solution

The fourth proportional to 198,188.88, 273,727.80 and 130,508.43 is: 180,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,188.88 : 273,727.80 = 130,508.43 : x
  2. Step 2: Convert to fraction form
    198,188.88/273,727.80 = 130,508.43/x
  3. Step 3: Cross multiply
    198,188.88x = 273,727.80 × 130,508.43
  4. Step 4: Simplify right side
    198,188.88x = 35,723,785,425.35
  5. Step 5: Solve for x
    x = 35,723,785,425.35/198,188.88
  6. Step 6: Final answer
    x = 180,251.21

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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.