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Finding the Fourth Proportional to 148,608.40, 222,912.60 and 89,413.60

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Solution

The fourth proportional to 148,608.40, 222,912.60 and 89,413.60 is: 134,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,608.40 : 222,912.60 = 89,413.60 : x
  2. Step 2: Convert to fraction form
    148,608.40/222,912.60 = 89,413.60/x
  3. Step 3: Cross multiply
    148,608.40x = 222,912.60 × 89,413.60
  4. Step 4: Simplify right side
    148,608.40x = 19,931,418,051.36
  5. Step 5: Solve for x
    x = 19,931,418,051.36/148,608.40
  6. Step 6: Final answer
    x = 134,120.40

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