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Finding the Fourth Proportional to 147,218.83, 203,145.81 and 82,674.97

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Solution

The fourth proportional to 147,218.83, 203,145.81 and 82,674.97 is: 114,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,218.83 : 203,145.81 = 82,674.97 : x
  2. Step 2: Convert to fraction form
    147,218.83/203,145.81 = 82,674.97/x
  3. Step 3: Cross multiply
    147,218.83x = 203,145.81 × 82,674.97
  4. Step 4: Simplify right side
    147,218.83x = 16,795,073,747.38
  5. Step 5: Solve for x
    x = 16,795,073,747.38/147,218.83
  6. Step 6: Final answer
    x = 114,082.37

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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.