Home / 80,135.46-120,212.37-26,834.22

Finding the Fourth Proportional to 80,135.46, 120,212.37 and 26,834.22

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Solution

The fourth proportional to 80,135.46, 120,212.37 and 26,834.22 is: 40,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,135.46 : 120,212.37 = 26,834.22 : x
  2. Step 2: Convert to fraction form
    80,135.46/120,212.37 = 26,834.22/x
  3. Step 3: Cross multiply
    80,135.46x = 120,212.37 × 26,834.22
  4. Step 4: Simplify right side
    80,135.46x = 3,225,805,183.30
  5. Step 5: Solve for x
    x = 3,225,805,183.30/80,135.46
  6. Step 6: Final answer
    x = 40,254.40

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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.