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Finding the Fourth Proportional to 178,286.40, 266,738.40 and 116,078.40

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Solution

The fourth proportional to 178,286.40, 266,738.40 and 116,078.40 is: 173,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,286.40 : 266,738.40 = 116,078.40 : x
  2. Step 2: Convert to fraction form
    178,286.40/266,738.40 = 116,078.40/x
  3. Step 3: Cross multiply
    178,286.40x = 266,738.40 × 116,078.40
  4. Step 4: Simplify right side
    178,286.40x = 30,962,566,690.56
  5. Step 5: Solve for x
    x = 30,962,566,690.56/178,286.40
  6. Step 6: Final answer
    x = 173,667.57

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