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Finding the Fourth Proportional to 117,213.48, 161,766.18 and 66,920.04

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Solution

The fourth proportional to 117,213.48, 161,766.18 and 66,920.04 is: 92,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,213.48 : 161,766.18 = 66,920.04 : x
  2. Step 2: Convert to fraction form
    117,213.48/161,766.18 = 66,920.04/x
  3. Step 3: Cross multiply
    117,213.48x = 161,766.18 × 66,920.04
  4. Step 4: Simplify right side
    117,213.48x = 10,825,399,236.25
  5. Step 5: Solve for x
    x = 10,825,399,236.25/117,213.48
  6. Step 6: Final answer
    x = 92,356.27

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