Home / 204,220.56-306,103.82-154,138.26

Finding the Fourth Proportional to 204,220.56, 306,103.82 and 154,138.26

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Solution

The fourth proportional to 204,220.56, 306,103.82 and 154,138.26 is: 231,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,220.56 : 306,103.82 = 154,138.26 : x
  2. Step 2: Convert to fraction form
    204,220.56/306,103.82 = 154,138.26/x
  3. Step 3: Cross multiply
    204,220.56x = 306,103.82 × 154,138.26
  4. Step 4: Simplify right side
    204,220.56x = 47,182,310,194.15
  5. Step 5: Solve for x
    x = 47,182,310,194.15/204,220.56
  6. Step 6: Final answer
    x = 231,036.04

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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.