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Finding the Fourth Proportional to 116,161.92, 160,306.56 and 65,868.48

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Solution

The fourth proportional to 116,161.92, 160,306.56 and 65,868.48 is: 90,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,161.92 : 160,306.56 = 65,868.48 : x
  2. Step 2: Convert to fraction form
    116,161.92/160,306.56 = 65,868.48/x
  3. Step 3: Cross multiply
    116,161.92x = 160,306.56 × 65,868.48
  4. Step 4: Simplify right side
    116,161.92x = 10,559,149,441.23
  5. Step 5: Solve for x
    x = 10,559,149,441.23/116,161.92
  6. Step 6: Final answer
    x = 90,900.27

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