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Finding the Fourth Proportional to 105,253.87, 157,891.33 and 30,375.85

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Solution

The fourth proportional to 105,253.87, 157,891.33 and 30,375.85 is: 45,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,253.87 : 157,891.33 = 30,375.85 : x
  2. Step 2: Convert to fraction form
    105,253.87/157,891.33 = 30,375.85/x
  3. Step 3: Cross multiply
    105,253.87x = 157,891.33 × 30,375.85
  4. Step 4: Simplify right side
    105,253.87x = 4,796,082,999.62
  5. Step 5: Solve for x
    x = 4,796,082,999.62/105,253.87
  6. Step 6: Final answer
    x = 45,566.81

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