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Finding the Fourth Proportional to 117,634.80, 176,452.20 and 70,978.80

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Solution

The fourth proportional to 117,634.80, 176,452.20 and 70,978.80 is: 106,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,634.80 : 176,452.20 = 70,978.80 : x
  2. Step 2: Convert to fraction form
    117,634.80/176,452.20 = 70,978.80/x
  3. Step 3: Cross multiply
    117,634.80x = 176,452.20 × 70,978.80
  4. Step 4: Simplify right side
    117,634.80x = 12,524,365,413.36
  5. Step 5: Solve for x
    x = 12,524,365,413.36/117,634.80
  6. Step 6: Final answer
    x = 106,468.20

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