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Finding the Fourth Proportional to 124.09, 184.82 and 122.67

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Solution

The fourth proportional to 124.09, 184.82 and 122.67 is: 182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.09 : 184.82 = 122.67 : x
  2. Step 2: Convert to fraction form
    124.09/184.82 = 122.67/x
  3. Step 3: Cross multiply
    124.09x = 184.82 × 122.67
  4. Step 4: Simplify right side
    124.09x = 22,671.26
  5. Step 5: Solve for x
    x = 22,671.26/124.09
  6. Step 6: Final answer
    x = 182.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.