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Finding the Fourth Proportional to 192,124.80, 288,187.20 and 122,054.40

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Solution

The fourth proportional to 192,124.80, 288,187.20 and 122,054.40 is: 183,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,124.80 : 288,187.20 = 122,054.40 : x
  2. Step 2: Convert to fraction form
    192,124.80/288,187.20 = 122,054.40/x
  3. Step 3: Cross multiply
    192,124.80x = 288,187.20 × 122,054.40
  4. Step 4: Simplify right side
    192,124.80x = 35,174,515,783.68
  5. Step 5: Solve for x
    x = 35,174,515,783.68/192,124.80
  6. Step 6: Final answer
    x = 183,081.60

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