Home / 197,997.22-296,864.61-71,620.84

Finding the Fourth Proportional to 197,997.22, 296,864.61 and 71,620.84

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Solution

The fourth proportional to 197,997.22, 296,864.61 and 71,620.84 is: 107,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,997.22 : 296,864.61 = 71,620.84 : x
  2. Step 2: Convert to fraction form
    197,997.22/296,864.61 = 71,620.84/x
  3. Step 3: Cross multiply
    197,997.22x = 296,864.61 × 71,620.84
  4. Step 4: Simplify right side
    197,997.22x = 21,261,692,734.47
  5. Step 5: Solve for x
    x = 21,261,692,734.47/197,997.22
  6. Step 6: Final answer
    x = 107,383.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.