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Finding the Fourth Proportional to 134,863.25, 186,119.78 and 77,520.92

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Solution

The fourth proportional to 134,863.25, 186,119.78 and 77,520.92 is: 106,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,863.25 : 186,119.78 = 77,520.92 : x
  2. Step 2: Convert to fraction form
    134,863.25/186,119.78 = 77,520.92/x
  3. Step 3: Cross multiply
    134,863.25x = 186,119.78 × 77,520.92
  4. Step 4: Simplify right side
    134,863.25x = 14,428,175,257.59
  5. Step 5: Solve for x
    x = 14,428,175,257.59/134,863.25
  6. Step 6: Final answer
    x = 106,983.75

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