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Finding the Fourth Proportional to 96,942.40, 145,413.60 and 63,764.80

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Solution

The fourth proportional to 96,942.40, 145,413.60 and 63,764.80 is: 95,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,942.40 : 145,413.60 = 63,764.80 : x
  2. Step 2: Convert to fraction form
    96,942.40/145,413.60 = 63,764.80/x
  3. Step 3: Cross multiply
    96,942.40x = 145,413.60 × 63,764.80
  4. Step 4: Simplify right side
    96,942.40x = 9,272,269,121.28
  5. Step 5: Solve for x
    x = 9,272,269,121.28/96,942.40
  6. Step 6: Final answer
    x = 95,647.20

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