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Finding the Fourth Proportional to 115,816.80, 173,984.40 and 111,093.60

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Solution

The fourth proportional to 115,816.80, 173,984.40 and 111,093.60 is: 166,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,816.80 : 173,984.40 = 111,093.60 : x
  2. Step 2: Convert to fraction form
    115,816.80/173,984.40 = 111,093.60/x
  3. Step 3: Cross multiply
    115,816.80x = 173,984.40 × 111,093.60
  4. Step 4: Simplify right side
    115,816.80x = 19,328,553,339.84
  5. Step 5: Solve for x
    x = 19,328,553,339.84/115,816.80
  6. Step 6: Final answer
    x = 166,889.03

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