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Finding the Fourth Proportional to 101,956, 152,934 and 28,084

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Solution

The fourth proportional to 101,956, 152,934 and 28,084 is: 42,126

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,956 : 152,934 = 28,084 : x
  2. Step 2: Convert to fraction form
    101,956/152,934 = 28,084/x
  3. Step 3: Cross multiply
    101,956x = 152,934 × 28,084
  4. Step 4: Simplify right side
    101,956x = 4,294,998,456
  5. Step 5: Solve for x
    x = 4,294,998,456/101,956
  6. Step 6: Final answer
    x = 42,126

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.