Home / 215,944.22-298,008.78-120,469.52

Finding the Fourth Proportional to 215,944.22, 298,008.78 and 120,469.52

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Solution

The fourth proportional to 215,944.22, 298,008.78 and 120,469.52 is: 166,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,944.22 : 298,008.78 = 120,469.52 : x
  2. Step 2: Convert to fraction form
    215,944.22/298,008.78 = 120,469.52/x
  3. Step 3: Cross multiply
    215,944.22x = 298,008.78 × 120,469.52
  4. Step 4: Simplify right side
    215,944.22x = 35,900,974,682.39
  5. Step 5: Solve for x
    x = 35,900,974,682.39/215,944.22
  6. Step 6: Final answer
    x = 166,251.15

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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.