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Finding the Fourth Proportional to 116,273.21, 160,451.42 and 65,279.66

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Solution

The fourth proportional to 116,273.21, 160,451.42 and 65,279.66 is: 90,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,273.21 : 160,451.42 = 65,279.66 : x
  2. Step 2: Convert to fraction form
    116,273.21/160,451.42 = 65,279.66/x
  3. Step 3: Cross multiply
    116,273.21x = 160,451.42 × 65,279.66
  4. Step 4: Simplify right side
    116,273.21x = 10,474,213,015.46
  5. Step 5: Solve for x
    x = 10,474,213,015.46/116,273.21
  6. Step 6: Final answer
    x = 90,082.78

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