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Finding the Fourth Proportional to 125.84, 173.61 and 73.37

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Solution

The fourth proportional to 125.84, 173.61 and 73.37 is: 101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.84 : 173.61 = 73.37 : x
  2. Step 2: Convert to fraction form
    125.84/173.61 = 73.37/x
  3. Step 3: Cross multiply
    125.84x = 173.61 × 73.37
  4. Step 4: Simplify right side
    125.84x = 12,737.77
  5. Step 5: Solve for x
    x = 12,737.77/125.84
  6. Step 6: Final answer
    x = 101.22

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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.