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Finding the Fourth Proportional to 109,103.20, 163,568.40 and 59,855.20

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Solution

The fourth proportional to 109,103.20, 163,568.40 and 59,855.20 is: 89,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,103.20 : 163,568.40 = 59,855.20 : x
  2. Step 2: Convert to fraction form
    109,103.20/163,568.40 = 59,855.20/x
  3. Step 3: Cross multiply
    109,103.20x = 163,568.40 × 59,855.20
  4. Step 4: Simplify right side
    109,103.20x = 9,790,419,295.68
  5. Step 5: Solve for x
    x = 9,790,419,295.68/109,103.20
  6. Step 6: Final answer
    x = 89,735.40

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