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Finding the Fourth Proportional to 124.19, 171.36 and 68.93

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Solution

The fourth proportional to 124.19, 171.36 and 68.93 is: 95.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.19 : 171.36 = 68.93 : x
  2. Step 2: Convert to fraction form
    124.19/171.36 = 68.93/x
  3. Step 3: Cross multiply
    124.19x = 171.36 × 68.93
  4. Step 4: Simplify right side
    124.19x = 11,811.25
  5. Step 5: Solve for x
    x = 11,811.25/124.19
  6. Step 6: Final answer
    x = 95.11

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