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Finding the Fourth Proportional to 107,217.60, 160,623.42 and 71,571.45

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Solution

The fourth proportional to 107,217.60, 160,623.42 and 71,571.45 is: 107,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,217.60 : 160,623.42 = 71,571.45 : x
  2. Step 2: Convert to fraction form
    107,217.60/160,623.42 = 71,571.45/x
  3. Step 3: Cross multiply
    107,217.60x = 160,623.42 × 71,571.45
  4. Step 4: Simplify right side
    107,217.60x = 11,496,051,073.36
  5. Step 5: Solve for x
    x = 11,496,051,073.36/107,217.60
  6. Step 6: Final answer
    x = 107,221.68

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