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Finding the Fourth Proportional to 88,156.28, 132,413.43 and 77,859.63

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Solution

The fourth proportional to 88,156.28, 132,413.43 and 77,859.63 is: 116,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,156.28 : 132,413.43 = 77,859.63 : x
  2. Step 2: Convert to fraction form
    88,156.28/132,413.43 = 77,859.63/x
  3. Step 3: Cross multiply
    88,156.28x = 132,413.43 × 77,859.63
  4. Step 4: Simplify right side
    88,156.28x = 10,309,660,958.80
  5. Step 5: Solve for x
    x = 10,309,660,958.80/88,156.28
  6. Step 6: Final answer
    x = 116,947.55

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