Home / 198,012.36-273,240.12-113,112.84

Finding the Fourth Proportional to 198,012.36, 273,240.12 and 113,112.84

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Solution

The fourth proportional to 198,012.36, 273,240.12 and 113,112.84 is: 156,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,012.36 : 273,240.12 = 113,112.84 : x
  2. Step 2: Convert to fraction form
    198,012.36/273,240.12 = 113,112.84/x
  3. Step 3: Cross multiply
    198,012.36x = 273,240.12 × 113,112.84
  4. Step 4: Simplify right side
    198,012.36x = 30,906,965,975.14
  5. Step 5: Solve for x
    x = 30,906,965,975.14/198,012.36
  6. Step 6: Final answer
    x = 156,086.04

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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.