Home / 204,352.88-281,812.92-135,319.28

Finding the Fourth Proportional to 204,352.88, 281,812.92 and 135,319.28

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Solution

The fourth proportional to 204,352.88, 281,812.92 and 135,319.28 is: 186,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,352.88 : 281,812.92 = 135,319.28 : x
  2. Step 2: Convert to fraction form
    204,352.88/281,812.92 = 135,319.28/x
  3. Step 3: Cross multiply
    204,352.88x = 281,812.92 × 135,319.28
  4. Step 4: Simplify right side
    204,352.88x = 38,134,721,429.10
  5. Step 5: Solve for x
    x = 38,134,721,429.10/204,352.88
  6. Step 6: Final answer
    x = 186,612.11

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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.