Home / 204,549.50-282,304.24-115,142.78

Finding the Fourth Proportional to 204,549.50, 282,304.24 and 115,142.78

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Solution

The fourth proportional to 204,549.50, 282,304.24 and 115,142.78 is: 158,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,549.50 : 282,304.24 = 115,142.78 : x
  2. Step 2: Convert to fraction form
    204,549.50/282,304.24 = 115,142.78/x
  3. Step 3: Cross multiply
    204,549.50x = 282,304.24 × 115,142.78
  4. Step 4: Simplify right side
    204,549.50x = 32,505,294,999.39
  5. Step 5: Solve for x
    x = 32,505,294,999.39/204,549.50
  6. Step 6: Final answer
    x = 158,911.63

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1.5x scale

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.