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Finding the Fourth Proportional to 126.03, 173.73 and 84.52

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Solution

The fourth proportional to 126.03, 173.73 and 84.52 is: 116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.03 : 173.73 = 84.52 : x
  2. Step 2: Convert to fraction form
    126.03/173.73 = 84.52/x
  3. Step 3: Cross multiply
    126.03x = 173.73 × 84.52
  4. Step 4: Simplify right side
    126.03x = 14,683.66
  5. Step 5: Solve for x
    x = 14,683.66/126.03
  6. Step 6: Final answer
    x = 116.51

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Why These Related Problems?

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