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Finding the Fourth Proportional to 101,178.12, 151,796.34 and 31,067.76

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Solution

The fourth proportional to 101,178.12, 151,796.34 and 31,067.76 is: 46,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,178.12 : 151,796.34 = 31,067.76 : x
  2. Step 2: Convert to fraction form
    101,178.12/151,796.34 = 31,067.76/x
  3. Step 3: Cross multiply
    101,178.12x = 151,796.34 × 31,067.76
  4. Step 4: Simplify right side
    101,178.12x = 4,715,972,260.00
  5. Step 5: Solve for x
    x = 4,715,972,260.00/101,178.12
  6. Step 6: Final answer
    x = 46,610.59

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