Home / 198,383.82-273,703.06-112,331.04

Finding the Fourth Proportional to 198,383.82, 273,703.06 and 112,331.04

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Solution

The fourth proportional to 198,383.82, 273,703.06 and 112,331.04 is: 154,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,383.82 : 273,703.06 = 112,331.04 : x
  2. Step 2: Convert to fraction form
    198,383.82/273,703.06 = 112,331.04/x
  3. Step 3: Cross multiply
    198,383.82x = 273,703.06 × 112,331.04
  4. Step 4: Simplify right side
    198,383.82x = 30,745,349,380.98
  5. Step 5: Solve for x
    x = 30,745,349,380.98/198,383.82
  6. Step 6: Final answer
    x = 154,979.12

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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.