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Finding the Fourth Proportional to 175,211.60, 262,909.20 and 80,470.40

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Solution

The fourth proportional to 175,211.60, 262,909.20 and 80,470.40 is: 120,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,211.60 : 262,909.20 = 80,470.40 : x
  2. Step 2: Convert to fraction form
    175,211.60/262,909.20 = 80,470.40/x
  3. Step 3: Cross multiply
    175,211.60x = 262,909.20 × 80,470.40
  4. Step 4: Simplify right side
    175,211.60x = 21,156,408,487.68
  5. Step 5: Solve for x
    x = 21,156,408,487.68/175,211.60
  6. Step 6: Final answer
    x = 120,747.76

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