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Finding the Fourth Proportional to 118,949.40, 164,149.92 and 68,648.40

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Solution

The fourth proportional to 118,949.40, 164,149.92 and 68,648.40 is: 94,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,949.40 : 164,149.92 = 68,648.40 : x
  2. Step 2: Convert to fraction form
    118,949.40/164,149.92 = 68,648.40/x
  3. Step 3: Cross multiply
    118,949.40x = 164,149.92 × 68,648.40
  4. Step 4: Simplify right side
    118,949.40x = 11,268,629,368.13
  5. Step 5: Solve for x
    x = 11,268,629,368.13/118,949.40
  6. Step 6: Final answer
    x = 94,734.65

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