Home / 197,719.13-296,517.41-71,343.03

Finding the Fourth Proportional to 197,719.13, 296,517.41 and 71,343.03

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Solution

The fourth proportional to 197,719.13, 296,517.41 and 71,343.03 is: 106,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,719.13 : 296,517.41 = 71,343.03 : x
  2. Step 2: Convert to fraction form
    197,719.13/296,517.41 = 71,343.03/x
  3. Step 3: Cross multiply
    197,719.13x = 296,517.41 × 71,343.03
  4. Step 4: Simplify right side
    197,719.13x = 21,154,451,026.16
  5. Step 5: Solve for x
    x = 21,154,451,026.16/197,719.13
  6. Step 6: Final answer
    x = 106,992.43

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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.