Home / 204,142.78-281,718.41-123,570.97

Finding the Fourth Proportional to 204,142.78, 281,718.41 and 123,570.97

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Solution

The fourth proportional to 204,142.78, 281,718.41 and 123,570.97 is: 170,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,142.78 : 281,718.41 = 123,570.97 : x
  2. Step 2: Convert to fraction form
    204,142.78/281,718.41 = 123,570.97/x
  3. Step 3: Cross multiply
    204,142.78x = 281,718.41 × 123,570.97
  4. Step 4: Simplify right side
    204,142.78x = 34,812,215,868.41
  5. Step 5: Solve for x
    x = 34,812,215,868.41/204,142.78
  6. Step 6: Final answer
    x = 170,528.76

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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.