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Finding the Fourth Proportional to 117,731.20, 176,481.60 and 47,516.80

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Solution

The fourth proportional to 117,731.20, 176,481.60 and 47,516.80 is: 71,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,731.20 : 176,481.60 = 47,516.80 : x
  2. Step 2: Convert to fraction form
    117,731.20/176,481.60 = 47,516.80/x
  3. Step 3: Cross multiply
    117,731.20x = 176,481.60 × 47,516.80
  4. Step 4: Simplify right side
    117,731.20x = 8,385,840,890.88
  5. Step 5: Solve for x
    x = 8,385,840,890.88/117,731.20
  6. Step 6: Final answer
    x = 71,228.70

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