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Finding the Fourth Proportional to 92,226.96, 127,222.92 and 80,269.20

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Solution

The fourth proportional to 92,226.96, 127,222.92 and 80,269.20 is: 110,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,226.96 : 127,222.92 = 80,269.20 : x
  2. Step 2: Convert to fraction form
    92,226.96/127,222.92 = 80,269.20/x
  3. Step 3: Cross multiply
    92,226.96x = 127,222.92 × 80,269.20
  4. Step 4: Simplify right side
    92,226.96x = 10,212,082,010.06
  5. Step 5: Solve for x
    x = 10,212,082,010.06/92,226.96
  6. Step 6: Final answer
    x = 110,727.73

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1.5x scale

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.