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Finding the Fourth Proportional to 112,040.28, 154,614.83 and 61,739.28

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Solution

The fourth proportional to 112,040.28, 154,614.83 and 61,739.28 is: 85,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,040.28 : 154,614.83 = 61,739.28 : x
  2. Step 2: Convert to fraction form
    112,040.28/154,614.83 = 61,739.28/x
  3. Step 3: Cross multiply
    112,040.28x = 154,614.83 × 61,739.28
  4. Step 4: Simplify right side
    112,040.28x = 9,545,807,972.83
  5. Step 5: Solve for x
    x = 9,545,807,972.83/112,040.28
  6. Step 6: Final answer
    x = 85,199.79

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