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Finding the Fourth Proportional to 192,069.60, 288,104.40 and 122,258.40

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Solution

The fourth proportional to 192,069.60, 288,104.40 and 122,258.40 is: 183,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,069.60 : 288,104.40 = 122,258.40 : x
  2. Step 2: Convert to fraction form
    192,069.60/288,104.40 = 122,258.40/x
  3. Step 3: Cross multiply
    192,069.60x = 288,104.40 × 122,258.40
  4. Step 4: Simplify right side
    192,069.60x = 35,223,182,976.96
  5. Step 5: Solve for x
    x = 35,223,182,976.96/192,069.60
  6. Step 6: Final answer
    x = 183,387.60

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