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Finding the Fourth Proportional to 92,167.12, 138,250.44 and 36,802

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Solution

The fourth proportional to 92,167.12, 138,250.44 and 36,802 is: 55,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,167.12 : 138,250.44 = 36,802 : x
  2. Step 2: Convert to fraction form
    92,167.12/138,250.44 = 36,802/x
  3. Step 3: Cross multiply
    92,167.12x = 138,250.44 × 36,802
  4. Step 4: Simplify right side
    92,167.12x = 5,087,892,692.88
  5. Step 5: Solve for x
    x = 5,087,892,692.88/92,167.12
  6. Step 6: Final answer
    x = 55,202.90

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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.