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Finding the Fourth Proportional to 124.44, 170.93 and 101.03

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Solution

The fourth proportional to 124.44, 170.93 and 101.03 is: 138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.44 : 170.93 = 101.03 : x
  2. Step 2: Convert to fraction form
    124.44/170.93 = 101.03/x
  3. Step 3: Cross multiply
    124.44x = 170.93 × 101.03
  4. Step 4: Simplify right side
    124.44x = 17,268.46
  5. Step 5: Solve for x
    x = 17,268.46/124.44
  6. Step 6: Final answer
    x = 138.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.