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Finding the Fourth Proportional to 116,021.20, 174,236.60 and 84,891.60

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Solution

The fourth proportional to 116,021.20, 174,236.60 and 84,891.60 is: 127,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,021.20 : 174,236.60 = 84,891.60 : x
  2. Step 2: Convert to fraction form
    116,021.20/174,236.60 = 84,891.60/x
  3. Step 3: Cross multiply
    116,021.20x = 174,236.60 × 84,891.60
  4. Step 4: Simplify right side
    116,021.20x = 14,791,223,752.56
  5. Step 5: Solve for x
    x = 14,791,223,752.56/116,021.20
  6. Step 6: Final answer
    x = 127,487.25

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