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Finding the Fourth Proportional to 124,411.40, 186,617.10 and 68,229.80

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Solution

The fourth proportional to 124,411.40, 186,617.10 and 68,229.80 is: 102,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,411.40 : 186,617.10 = 68,229.80 : x
  2. Step 2: Convert to fraction form
    124,411.40/186,617.10 = 68,229.80/x
  3. Step 3: Cross multiply
    124,411.40x = 186,617.10 × 68,229.80
  4. Step 4: Simplify right side
    124,411.40x = 12,732,847,409.58
  5. Step 5: Solve for x
    x = 12,732,847,409.58/124,411.40
  6. Step 6: Final answer
    x = 102,344.70

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