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Finding the Fourth Proportional to 130.73, 196.01 and 53.74

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Solution

The fourth proportional to 130.73, 196.01 and 53.74 is: 80.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130.73 : 196.01 = 53.74 : x
  2. Step 2: Convert to fraction form
    130.73/196.01 = 53.74/x
  3. Step 3: Cross multiply
    130.73x = 196.01 × 53.74
  4. Step 4: Simplify right side
    130.73x = 10,534.71
  5. Step 5: Solve for x
    x = 10,534.71/130.73
  6. Step 6: Final answer
    x = 80.59

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