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Finding the Fourth Proportional to 105,306.43, 157,936.38 and 30,410.26

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Solution

The fourth proportional to 105,306.43, 157,936.38 and 30,410.26 is: 45,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,306.43 : 157,936.38 = 30,410.26 : x
  2. Step 2: Convert to fraction form
    105,306.43/157,936.38 = 30,410.26/x
  3. Step 3: Cross multiply
    105,306.43x = 157,936.38 × 30,410.26
  4. Step 4: Simplify right side
    105,306.43x = 4,802,886,379.26
  5. Step 5: Solve for x
    x = 4,802,886,379.26/105,306.43
  6. Step 6: Final answer
    x = 45,608.67

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