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Finding the Fourth Proportional to 124,843.80, 187,265.70 and 82,853.40

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Solution

The fourth proportional to 124,843.80, 187,265.70 and 82,853.40 is: 124,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.80 : 187,265.70 = 82,853.40 : x
  2. Step 2: Convert to fraction form
    124,843.80/187,265.70 = 82,853.40/x
  3. Step 3: Cross multiply
    124,843.80x = 187,265.70 × 82,853.40
  4. Step 4: Simplify right side
    124,843.80x = 15,515,599,948.38
  5. Step 5: Solve for x
    x = 15,515,599,948.38/124,843.80
  6. Step 6: Final answer
    x = 124,280.10

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