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Finding the Fourth Proportional to 123,251.60, 184,877.40 and 118,413.20

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Solution

The fourth proportional to 123,251.60, 184,877.40 and 118,413.20 is: 177,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,251.60 : 184,877.40 = 118,413.20 : x
  2. Step 2: Convert to fraction form
    123,251.60/184,877.40 = 118,413.20/x
  3. Step 3: Cross multiply
    123,251.60x = 184,877.40 × 118,413.20
  4. Step 4: Simplify right side
    123,251.60x = 21,891,924,541.68
  5. Step 5: Solve for x
    x = 21,891,924,541.68/123,251.60
  6. Step 6: Final answer
    x = 177,619.80

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