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Finding the Fourth Proportional to 110,664.40, 165,737.40 and 75,413.20

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Solution

The fourth proportional to 110,664.40, 165,737.40 and 75,413.20 is: 112,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,664.40 : 165,737.40 = 75,413.20 : x
  2. Step 2: Convert to fraction form
    110,664.40/165,737.40 = 75,413.20/x
  3. Step 3: Cross multiply
    110,664.40x = 165,737.40 × 75,413.20
  4. Step 4: Simplify right side
    110,664.40x = 12,498,787,693.68
  5. Step 5: Solve for x
    x = 12,498,787,693.68/110,664.40
  6. Step 6: Final answer
    x = 112,943.17

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