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Finding the Fourth Proportional to 125.96, 173.81 and 93.29

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Solution

The fourth proportional to 125.96, 173.81 and 93.29 is: 128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.96 : 173.81 = 93.29 : x
  2. Step 2: Convert to fraction form
    125.96/173.81 = 93.29/x
  3. Step 3: Cross multiply
    125.96x = 173.81 × 93.29
  4. Step 4: Simplify right side
    125.96x = 16,214.10
  5. Step 5: Solve for x
    x = 16,214.10/125.96
  6. Step 6: Final answer
    x = 128.73

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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.