Home / 80,266.46-120,396.99-38,166.98

Finding the Fourth Proportional to 80,266.46, 120,396.99 and 38,166.98

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Solution

The fourth proportional to 80,266.46, 120,396.99 and 38,166.98 is: 57,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,266.46 : 120,396.99 = 38,166.98 : x
  2. Step 2: Convert to fraction form
    80,266.46/120,396.99 = 38,166.98/x
  3. Step 3: Cross multiply
    80,266.46x = 120,396.99 × 38,166.98
  4. Step 4: Simplify right side
    80,266.46x = 4,595,189,509.39
  5. Step 5: Solve for x
    x = 4,595,189,509.39/80,266.46
  6. Step 6: Final answer
    x = 57,249.19

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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.