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Finding the Fourth Proportional to 216,736.97, 299,090.07 and 121,241.61

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Solution

The fourth proportional to 216,736.97, 299,090.07 and 121,241.61 is: 167,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,736.97 : 299,090.07 = 121,241.61 : x
  2. Step 2: Convert to fraction form
    216,736.97/299,090.07 = 121,241.61/x
  3. Step 3: Cross multiply
    216,736.97x = 299,090.07 × 121,241.61
  4. Step 4: Simplify right side
    216,736.97x = 36,262,161,621.81
  5. Step 5: Solve for x
    x = 36,262,161,621.81/216,736.97
  6. Step 6: Final answer
    x = 167,309.54

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