Home / 198,027.97-273,293.06-113,143.21

Finding the Fourth Proportional to 198,027.97, 273,293.06 and 113,143.21

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Solution

The fourth proportional to 198,027.97, 273,293.06 and 113,143.21 is: 156,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,027.97 : 273,293.06 = 113,143.21 : x
  2. Step 2: Convert to fraction form
    198,027.97/273,293.06 = 113,143.21/x
  3. Step 3: Cross multiply
    198,027.97x = 273,293.06 × 113,143.21
  4. Step 4: Simplify right side
    198,027.97x = 30,921,254,079.12
  5. Step 5: Solve for x
    x = 30,921,254,079.12/198,027.97
  6. Step 6: Final answer
    x = 156,145.89

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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.