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Finding the Fourth Proportional to 118,409.97, 163,350.94 and 68,079.81

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Solution

The fourth proportional to 118,409.97, 163,350.94 and 68,079.81 is: 93,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,409.97 : 163,350.94 = 68,079.81 : x
  2. Step 2: Convert to fraction form
    118,409.97/163,350.94 = 68,079.81/x
  3. Step 3: Cross multiply
    118,409.97x = 163,350.94 × 68,079.81
  4. Step 4: Simplify right side
    118,409.97x = 11,120,900,958.52
  5. Step 5: Solve for x
    x = 11,120,900,958.52/118,409.97
  6. Step 6: Final answer
    x = 93,918.62

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