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Finding the Fourth Proportional to 107,550.40, 161,325.60 and 54,942.40

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Solution

The fourth proportional to 107,550.40, 161,325.60 and 54,942.40 is: 82,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,550.40 : 161,325.60 = 54,942.40 : x
  2. Step 2: Convert to fraction form
    107,550.40/161,325.60 = 54,942.40/x
  3. Step 3: Cross multiply
    107,550.40x = 161,325.60 × 54,942.40
  4. Step 4: Simplify right side
    107,550.40x = 8,863,615,645.44
  5. Step 5: Solve for x
    x = 8,863,615,645.44/107,550.40
  6. Step 6: Final answer
    x = 82,413.60

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