Home / 80,222.82-120,346.11-75,302.34

Finding the Fourth Proportional to 80,222.82, 120,346.11 and 75,302.34

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Solution

The fourth proportional to 80,222.82, 120,346.11 and 75,302.34 is: 112,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,222.82 : 120,346.11 = 75,302.34 : x
  2. Step 2: Convert to fraction form
    80,222.82/120,346.11 = 75,302.34/x
  3. Step 3: Cross multiply
    80,222.82x = 120,346.11 × 75,302.34
  4. Step 4: Simplify right side
    80,222.82x = 9,062,343,692.90
  5. Step 5: Solve for x
    x = 9,062,343,692.90/80,222.82
  6. Step 6: Final answer
    x = 112,964.66

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1.5x scale

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.