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Finding the Fourth Proportional to 178.94, 246.99 and 116.81

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Solution

The fourth proportional to 178.94, 246.99 and 116.81 is: 161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.94 : 246.99 = 116.81 : x
  2. Step 2: Convert to fraction form
    178.94/246.99 = 116.81/x
  3. Step 3: Cross multiply
    178.94x = 246.99 × 116.81
  4. Step 4: Simplify right side
    178.94x = 28,849.67
  5. Step 5: Solve for x
    x = 28,849.67/178.94
  6. Step 6: Final answer
    x = 161.23

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