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Finding the Fourth Proportional to 169.14, 253.70 and 73.02

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Solution

The fourth proportional to 169.14, 253.70 and 73.02 is: 109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.14 : 253.70 = 73.02 : x
  2. Step 2: Convert to fraction form
    169.14/253.70 = 73.02/x
  3. Step 3: Cross multiply
    169.14x = 253.70 × 73.02
  4. Step 4: Simplify right side
    169.14x = 18,525.17
  5. Step 5: Solve for x
    x = 18,525.17/169.14
  6. Step 6: Final answer
    x = 109.53

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