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Finding the Fourth Proportional to 117,960.20, 176,825.10 and 105,518.60

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Solution

The fourth proportional to 117,960.20, 176,825.10 and 105,518.60 is: 158,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,960.20 : 176,825.10 = 105,518.60 : x
  2. Step 2: Convert to fraction form
    117,960.20/176,825.10 = 105,518.60/x
  3. Step 3: Cross multiply
    117,960.20x = 176,825.10 × 105,518.60
  4. Step 4: Simplify right side
    117,960.20x = 18,658,336,996.86
  5. Step 5: Solve for x
    x = 18,658,336,996.86/117,960.20
  6. Step 6: Final answer
    x = 158,174.85

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