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Finding the Fourth Proportional to 173,896.40, 260,844.60 and 68,661.20

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Solution

The fourth proportional to 173,896.40, 260,844.60 and 68,661.20 is: 102,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,896.40 : 260,844.60 = 68,661.20 : x
  2. Step 2: Convert to fraction form
    173,896.40/260,844.60 = 68,661.20/x
  3. Step 3: Cross multiply
    173,896.40x = 260,844.60 × 68,661.20
  4. Step 4: Simplify right side
    173,896.40x = 17,909,903,249.52
  5. Step 5: Solve for x
    x = 17,909,903,249.52/173,896.40
  6. Step 6: Final answer
    x = 102,991.80

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