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Finding the Fourth Proportional to 125.98, 173.94 and 96.94

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Solution

The fourth proportional to 125.98, 173.94 and 96.94 is: 133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.98 : 173.94 = 96.94 : x
  2. Step 2: Convert to fraction form
    125.98/173.94 = 96.94/x
  3. Step 3: Cross multiply
    125.98x = 173.94 × 96.94
  4. Step 4: Simplify right side
    125.98x = 16,861.74
  5. Step 5: Solve for x
    x = 16,861.74/125.98
  6. Step 6: Final answer
    x = 133.84

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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.