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Finding the Fourth Proportional to 117,836.72, 176,650.28 and 42,942.76

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Solution

The fourth proportional to 117,836.72, 176,650.28 and 42,942.76 is: 64,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,836.72 : 176,650.28 = 42,942.76 : x
  2. Step 2: Convert to fraction form
    117,836.72/176,650.28 = 42,942.76/x
  3. Step 3: Cross multiply
    117,836.72x = 176,650.28 × 42,942.76
  4. Step 4: Simplify right side
    117,836.72x = 7,585,850,577.97
  5. Step 5: Solve for x
    x = 7,585,850,577.97/117,836.72
  6. Step 6: Final answer
    x = 64,375.95

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