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Finding the Fourth Proportional to 124,874.80, 187,312.20 and 82,884.40

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Solution

The fourth proportional to 124,874.80, 187,312.20 and 82,884.40 is: 124,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,874.80 : 187,312.20 = 82,884.40 : x
  2. Step 2: Convert to fraction form
    124,874.80/187,312.20 = 82,884.40/x
  3. Step 3: Cross multiply
    124,874.80x = 187,312.20 × 82,884.40
  4. Step 4: Simplify right side
    124,874.80x = 15,525,259,309.68
  5. Step 5: Solve for x
    x = 15,525,259,309.68/124,874.80
  6. Step 6: Final answer
    x = 124,326.60

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