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Finding the Fourth Proportional to 173,865.20, 260,797.80 and 80,553.20

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Solution

The fourth proportional to 173,865.20, 260,797.80 and 80,553.20 is: 120,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,865.20 : 260,797.80 = 80,553.20 : x
  2. Step 2: Convert to fraction form
    173,865.20/260,797.80 = 80,553.20/x
  3. Step 3: Cross multiply
    173,865.20x = 260,797.80 × 80,553.20
  4. Step 4: Simplify right side
    173,865.20x = 21,008,097,342.96
  5. Step 5: Solve for x
    x = 21,008,097,342.96/173,865.20
  6. Step 6: Final answer
    x = 120,829.80

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