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Finding the Fourth Proportional to 116,531.68, 160,972.01 and 91,355.89

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Solution

The fourth proportional to 116,531.68, 160,972.01 and 91,355.89 is: 126,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,531.68 : 160,972.01 = 91,355.89 : x
  2. Step 2: Convert to fraction form
    116,531.68/160,972.01 = 91,355.89/x
  3. Step 3: Cross multiply
    116,531.68x = 160,972.01 × 91,355.89
  4. Step 4: Simplify right side
    116,531.68x = 14,705,741,238.64
  5. Step 5: Solve for x
    x = 14,705,741,238.64/116,531.68
  6. Step 6: Final answer
    x = 126,195.22

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