Home / 198,135.32-273,426.71-113,254.20

Finding the Fourth Proportional to 198,135.32, 273,426.71 and 113,254.20

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Solution

The fourth proportional to 198,135.32, 273,426.71 and 113,254.20 is: 156,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,135.32 : 273,426.71 = 113,254.20 : x
  2. Step 2: Convert to fraction form
    198,135.32/273,426.71 = 113,254.20/x
  3. Step 3: Cross multiply
    198,135.32x = 273,426.71 × 113,254.20
  4. Step 4: Simplify right side
    198,135.32x = 30,966,722,733.41
  5. Step 5: Solve for x
    x = 30,966,722,733.41/198,135.32
  6. Step 6: Final answer
    x = 156,290.78

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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.