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Finding the Fourth Proportional to 216,606.15, 324,687.69 and 83,434.19

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Solution

The fourth proportional to 216,606.15, 324,687.69 and 83,434.19 is: 125,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,606.15 : 324,687.69 = 83,434.19 : x
  2. Step 2: Convert to fraction form
    216,606.15/324,687.69 = 83,434.19/x
  3. Step 3: Cross multiply
    216,606.15x = 324,687.69 × 83,434.19
  4. Step 4: Simplify right side
    216,606.15x = 27,090,052,794.68
  5. Step 5: Solve for x
    x = 27,090,052,794.68/216,606.15
  6. Step 6: Final answer
    x = 125,065.94

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