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Finding the Fourth Proportional to 141.96, 213 and 73.47

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Solution

The fourth proportional to 141.96, 213 and 73.47 is: 110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.96 : 213 = 73.47 : x
  2. Step 2: Convert to fraction form
    141.96/213 = 73.47/x
  3. Step 3: Cross multiply
    141.96x = 213 × 73.47
  4. Step 4: Simplify right side
    141.96x = 15,648.05
  5. Step 5: Solve for x
    x = 15,648.05/141.96
  6. Step 6: Final answer
    x = 110.23

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