Home / 80,173.26-120,266.16-26,865.42

Finding the Fourth Proportional to 80,173.26, 120,266.16 and 26,865.42

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Solution

The fourth proportional to 80,173.26, 120,266.16 and 26,865.42 is: 40,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,173.26 : 120,266.16 = 26,865.42 : x
  2. Step 2: Convert to fraction form
    80,173.26/120,266.16 = 26,865.42/x
  3. Step 3: Cross multiply
    80,173.26x = 120,266.16 × 26,865.42
  4. Step 4: Simplify right side
    80,173.26x = 3,231,000,900.19
  5. Step 5: Solve for x
    x = 3,231,000,900.19/80,173.26
  6. Step 6: Final answer
    x = 40,300.23

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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.