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Finding the Fourth Proportional to 116,220.30, 174,164.40 and 66,194.70

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Solution

The fourth proportional to 116,220.30, 174,164.40 and 66,194.70 is: 99,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,220.30 : 174,164.40 = 66,194.70 : x
  2. Step 2: Convert to fraction form
    116,220.30/174,164.40 = 66,194.70/x
  3. Step 3: Cross multiply
    116,220.30x = 174,164.40 × 66,194.70
  4. Step 4: Simplify right side
    116,220.30x = 11,528,760,208.68
  5. Step 5: Solve for x
    x = 11,528,760,208.68/116,220.30
  6. Step 6: Final answer
    x = 99,197.47

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