Home / 197,719.38-296,517.79-71,343.28

Finding the Fourth Proportional to 197,719.38, 296,517.79 and 71,343.28

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Solution

The fourth proportional to 197,719.38, 296,517.79 and 71,343.28 is: 106,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,719.38 : 296,517.79 = 71,343.28 : x
  2. Step 2: Convert to fraction form
    197,719.38/296,517.79 = 71,343.28/x
  3. Step 3: Cross multiply
    197,719.38x = 296,517.79 × 71,343.28
  4. Step 4: Simplify right side
    197,719.38x = 21,154,552,279.89
  5. Step 5: Solve for x
    x = 21,154,552,279.89/197,719.38
  6. Step 6: Final answer
    x = 106,992.81

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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.