Home / 198,142.76-273,436.97-113,261.65

Finding the Fourth Proportional to 198,142.76, 273,436.97 and 113,261.65

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Solution

The fourth proportional to 198,142.76, 273,436.97 and 113,261.65 is: 156,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,142.76 : 273,436.97 = 113,261.65 : x
  2. Step 2: Convert to fraction form
    198,142.76/273,436.97 = 113,261.65/x
  3. Step 3: Cross multiply
    198,142.76x = 273,436.97 × 113,261.65
  4. Step 4: Simplify right side
    198,142.76x = 30,969,920,459.71
  5. Step 5: Solve for x
    x = 30,969,920,459.71/198,142.76
  6. Step 6: Final answer
    x = 156,301.05

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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.