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Finding the Fourth Proportional to 107,120.62, 160,694.91 and 39,643.48

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Solution

The fourth proportional to 107,120.62, 160,694.91 and 39,643.48 is: 59,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,120.62 : 160,694.91 = 39,643.48 : x
  2. Step 2: Convert to fraction form
    107,120.62/160,694.91 = 39,643.48/x
  3. Step 3: Cross multiply
    107,120.62x = 160,694.91 × 39,643.48
  4. Step 4: Simplify right side
    107,120.62x = 6,370,505,450.69
  5. Step 5: Solve for x
    x = 6,370,505,450.69/107,120.62
  6. Step 6: Final answer
    x = 59,470.39

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