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Finding the Fourth Proportional to 173,881.20, 260,994.60 and 85,234.80

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Solution

The fourth proportional to 173,881.20, 260,994.60 and 85,234.80 is: 127,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,881.20 : 260,994.60 = 85,234.80 : x
  2. Step 2: Convert to fraction form
    173,881.20/260,994.60 = 85,234.80/x
  3. Step 3: Cross multiply
    173,881.20x = 260,994.60 × 85,234.80
  4. Step 4: Simplify right side
    173,881.20x = 22,245,822,532.08
  5. Step 5: Solve for x
    x = 22,245,822,532.08/173,881.20
  6. Step 6: Final answer
    x = 127,936.90

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