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Finding the Fourth Proportional to 118,658.90, 177,890.85 and 55,447.79

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Solution

The fourth proportional to 118,658.90, 177,890.85 and 55,447.79 is: 83,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,658.90 : 177,890.85 = 55,447.79 : x
  2. Step 2: Convert to fraction form
    118,658.90/177,890.85 = 55,447.79/x
  3. Step 3: Cross multiply
    118,658.90x = 177,890.85 × 55,447.79
  4. Step 4: Simplify right side
    118,658.90x = 9,863,653,604.27
  5. Step 5: Solve for x
    x = 9,863,653,604.27/118,658.90
  6. Step 6: Final answer
    x = 83,126.12

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