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Finding the Fourth Proportional to 117,965.40, 177,293.70 and 115,891.80

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Solution

The fourth proportional to 117,965.40, 177,293.70 and 115,891.80 is: 174,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,965.40 : 177,293.70 = 115,891.80 : x
  2. Step 2: Convert to fraction form
    117,965.40/177,293.70 = 115,891.80/x
  3. Step 3: Cross multiply
    117,965.40x = 177,293.70 × 115,891.80
  4. Step 4: Simplify right side
    117,965.40x = 20,546,886,021.66
  5. Step 5: Solve for x
    x = 20,546,886,021.66/117,965.40
  6. Step 6: Final answer
    x = 174,177.23

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