Home / 204,032.12-281,476.92-127,418.21

Finding the Fourth Proportional to 204,032.12, 281,476.92 and 127,418.21

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Solution

The fourth proportional to 204,032.12, 281,476.92 and 127,418.21 is: 175,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,032.12 : 281,476.92 = 127,418.21 : x
  2. Step 2: Convert to fraction form
    204,032.12/281,476.92 = 127,418.21/x
  3. Step 3: Cross multiply
    204,032.12x = 281,476.92 × 127,418.21
  4. Step 4: Simplify right side
    204,032.12x = 35,865,287,011.99
  5. Step 5: Solve for x
    x = 35,865,287,011.99/204,032.12
  6. Step 6: Final answer
    x = 175,782.56

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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.