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Finding the Fourth Proportional to 158.75, 218.93 and 96.51

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Solution

The fourth proportional to 158.75, 218.93 and 96.51 is: 133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.75 : 218.93 = 96.51 : x
  2. Step 2: Convert to fraction form
    158.75/218.93 = 96.51/x
  3. Step 3: Cross multiply
    158.75x = 218.93 × 96.51
  4. Step 4: Simplify right side
    158.75x = 21,128.45
  5. Step 5: Solve for x
    x = 21,128.45/158.75
  6. Step 6: Final answer
    x = 133.10

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