Home / 198,231.64-273,492.66-113,288.20

Finding the Fourth Proportional to 198,231.64, 273,492.66 and 113,288.20

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Solution

The fourth proportional to 198,231.64, 273,492.66 and 113,288.20 is: 156,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,231.64 : 273,492.66 = 113,288.20 : x
  2. Step 2: Convert to fraction form
    198,231.64/273,492.66 = 113,288.20/x
  3. Step 3: Cross multiply
    198,231.64x = 273,492.66 × 113,288.20
  4. Step 4: Simplify right side
    198,231.64x = 30,983,491,164.61
  5. Step 5: Solve for x
    x = 30,983,491,164.61/198,231.64
  6. Step 6: Final answer
    x = 156,299.42

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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.