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Finding the Fourth Proportional to 117,715.70, 176,573.55 and 82,286.30

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Solution

The fourth proportional to 117,715.70, 176,573.55 and 82,286.30 is: 123,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,715.70 : 176,573.55 = 82,286.30 : x
  2. Step 2: Convert to fraction form
    117,715.70/176,573.55 = 82,286.30/x
  3. Step 3: Cross multiply
    117,715.70x = 176,573.55 × 82,286.30
  4. Step 4: Simplify right side
    117,715.70x = 14,529,584,107.37
  5. Step 5: Solve for x
    x = 14,529,584,107.37/117,715.70
  6. Step 6: Final answer
    x = 123,429.45

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