Home / 204,540.46-282,287.70-119,728.60

Finding the Fourth Proportional to 204,540.46, 282,287.70 and 119,728.60

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Solution

The fourth proportional to 204,540.46, 282,287.70 and 119,728.60 is: 165,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,540.46 : 282,287.70 = 119,728.60 : x
  2. Step 2: Convert to fraction form
    204,540.46/282,287.70 = 119,728.60/x
  3. Step 3: Cross multiply
    204,540.46x = 282,287.70 × 119,728.60
  4. Step 4: Simplify right side
    204,540.46x = 33,797,911,118.22
  5. Step 5: Solve for x
    x = 33,797,911,118.22/204,540.46
  6. Step 6: Final answer
    x = 165,238.27

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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.