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Finding the Fourth Proportional to 226,921.62, 340,413.63 and 77,121.71

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Solution

The fourth proportional to 226,921.62, 340,413.63 and 77,121.71 is: 115,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,921.62 : 340,413.63 = 77,121.71 : x
  2. Step 2: Convert to fraction form
    226,921.62/340,413.63 = 77,121.71/x
  3. Step 3: Cross multiply
    226,921.62x = 340,413.63 × 77,121.71
  4. Step 4: Simplify right side
    226,921.62x = 26,253,279,550.84
  5. Step 5: Solve for x
    x = 26,253,279,550.84/226,921.62
  6. Step 6: Final answer
    x = 115,693.16

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