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Finding the Fourth Proportional to 220,813.23, 331,173.40 and 71,066.91

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Solution

The fourth proportional to 220,813.23, 331,173.40 and 71,066.91 is: 106,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,813.23 : 331,173.40 = 71,066.91 : x
  2. Step 2: Convert to fraction form
    220,813.23/331,173.40 = 71,066.91/x
  3. Step 3: Cross multiply
    220,813.23x = 331,173.40 × 71,066.91
  4. Step 4: Simplify right side
    220,813.23x = 23,535,470,212.19
  5. Step 5: Solve for x
    x = 23,535,470,212.19/220,813.23
  6. Step 6: Final answer
    x = 106,585.42

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