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Finding the Fourth Proportional to 101,054.52, 139,463.16 and 55,736.64

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Solution

The fourth proportional to 101,054.52, 139,463.16 and 55,736.64 is: 76,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,054.52 : 139,463.16 = 55,736.64 : x
  2. Step 2: Convert to fraction form
    101,054.52/139,463.16 = 55,736.64/x
  3. Step 3: Cross multiply
    101,054.52x = 139,463.16 × 55,736.64
  4. Step 4: Simplify right side
    101,054.52x = 7,773,207,942.18
  5. Step 5: Solve for x
    x = 7,773,207,942.18/101,054.52
  6. Step 6: Final answer
    x = 76,920.93

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