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Finding the Fourth Proportional to 72,101.44, 108,190.99 and 30,010.60

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Solution

The fourth proportional to 72,101.44, 108,190.99 and 30,010.60 is: 45,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,101.44 : 108,190.99 = 30,010.60 : x
  2. Step 2: Convert to fraction form
    72,101.44/108,190.99 = 30,010.60/x
  3. Step 3: Cross multiply
    72,101.44x = 108,190.99 × 30,010.60
  4. Step 4: Simplify right side
    72,101.44x = 3,246,876,697.25
  5. Step 5: Solve for x
    x = 3,246,876,697.25/72,101.44
  6. Step 6: Final answer
    x = 45,032.06

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