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Finding the Fourth Proportional to 192,057.60, 288,086.40 and 122,246.40

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Solution

The fourth proportional to 192,057.60, 288,086.40 and 122,246.40 is: 183,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,057.60 : 288,086.40 = 122,246.40 : x
  2. Step 2: Convert to fraction form
    192,057.60/288,086.40 = 122,246.40/x
  3. Step 3: Cross multiply
    192,057.60x = 288,086.40 × 122,246.40
  4. Step 4: Simplify right side
    192,057.60x = 35,217,525,288.96
  5. Step 5: Solve for x
    x = 35,217,525,288.96/192,057.60
  6. Step 6: Final answer
    x = 183,369.60

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