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Finding the Fourth Proportional to 111.61, 167.42 and 62.93

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Solution

The fourth proportional to 111.61, 167.42 and 62.93 is: 94.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.61 : 167.42 = 62.93 : x
  2. Step 2: Convert to fraction form
    111.61/167.42 = 62.93/x
  3. Step 3: Cross multiply
    111.61x = 167.42 × 62.93
  4. Step 4: Simplify right side
    111.61x = 10,535.84
  5. Step 5: Solve for x
    x = 10,535.84/111.61
  6. Step 6: Final answer
    x = 94.40

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