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Finding the Fourth Proportional to 146.02, 201.73 and 124.12

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Solution

The fourth proportional to 146.02, 201.73 and 124.12 is: 171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.02 : 201.73 = 124.12 : x
  2. Step 2: Convert to fraction form
    146.02/201.73 = 124.12/x
  3. Step 3: Cross multiply
    146.02x = 201.73 × 124.12
  4. Step 4: Simplify right side
    146.02x = 25,039.72
  5. Step 5: Solve for x
    x = 25,039.72/146.02
  6. Step 6: Final answer
    x = 171.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.