Home / 80,132.51-120,205.08-26,824.80

Finding the Fourth Proportional to 80,132.51, 120,205.08 and 26,824.80

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Solution

The fourth proportional to 80,132.51, 120,205.08 and 26,824.80 is: 40,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,132.51 : 120,205.08 = 26,824.80 : x
  2. Step 2: Convert to fraction form
    80,132.51/120,205.08 = 26,824.80/x
  3. Step 3: Cross multiply
    80,132.51x = 120,205.08 × 26,824.80
  4. Step 4: Simplify right side
    80,132.51x = 3,224,477,229.98
  5. Step 5: Solve for x
    x = 3,224,477,229.98/80,132.51
  6. Step 6: Final answer
    x = 40,239.32

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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.