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Finding the Fourth Proportional to 193,499.94, 290,362 and 81,170.12

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Solution

The fourth proportional to 193,499.94, 290,362 and 81,170.12 is: 121,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,499.94 : 290,362 = 81,170.12 : x
  2. Step 2: Convert to fraction form
    193,499.94/290,362 = 81,170.12/x
  3. Step 3: Cross multiply
    193,499.94x = 290,362 × 81,170.12
  4. Step 4: Simplify right side
    193,499.94x = 23,568,718,383.44
  5. Step 5: Solve for x
    x = 23,568,718,383.44/193,499.94
  6. Step 6: Final answer
    x = 121,802.20

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