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Finding the Fourth Proportional to 173,872.20, 260,808.30 and 80,560.20

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Solution

The fourth proportional to 173,872.20, 260,808.30 and 80,560.20 is: 120,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,872.20 : 260,808.30 = 80,560.20 : x
  2. Step 2: Convert to fraction form
    173,872.20/260,808.30 = 80,560.20/x
  3. Step 3: Cross multiply
    173,872.20x = 260,808.30 × 80,560.20
  4. Step 4: Simplify right side
    173,872.20x = 21,010,768,809.66
  5. Step 5: Solve for x
    x = 21,010,768,809.66/173,872.20
  6. Step 6: Final answer
    x = 120,840.30

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