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Finding the Fourth Proportional to 115,704.75, 173,490.70 and 45,545.79

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Solution

The fourth proportional to 115,704.75, 173,490.70 and 45,545.79 is: 68,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,704.75 : 173,490.70 = 45,545.79 : x
  2. Step 2: Convert to fraction form
    115,704.75/173,490.70 = 45,545.79/x
  3. Step 3: Cross multiply
    115,704.75x = 173,490.70 × 45,545.79
  4. Step 4: Simplify right side
    115,704.75x = 7,901,770,989.15
  5. Step 5: Solve for x
    x = 7,901,770,989.15/115,704.75
  6. Step 6: Final answer
    x = 68,292.54

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