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Finding the Fourth Proportional to 105.38, 157.95 and 93.38

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Solution

The fourth proportional to 105.38, 157.95 and 93.38 is: 139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.38 : 157.95 = 93.38 : x
  2. Step 2: Convert to fraction form
    105.38/157.95 = 93.38/x
  3. Step 3: Cross multiply
    105.38x = 157.95 × 93.38
  4. Step 4: Simplify right side
    105.38x = 14,749.37
  5. Step 5: Solve for x
    x = 14,749.37/105.38
  6. Step 6: Final answer
    x = 139.96

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