Home / 120,161.92-180,243.04-49,084.56

Finding the Fourth Proportional to 120,161.92, 180,243.04 and 49,084.56

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Solution

The fourth proportional to 120,161.92, 180,243.04 and 49,084.56 is: 73,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,161.92 : 180,243.04 = 49,084.56 : x
  2. Step 2: Convert to fraction form
    120,161.92/180,243.04 = 49,084.56/x
  3. Step 3: Cross multiply
    120,161.92x = 180,243.04 × 49,084.56
  4. Step 4: Simplify right side
    120,161.92x = 8,847,150,311.46
  5. Step 5: Solve for x
    x = 8,847,150,311.46/120,161.92
  6. Step 6: Final answer
    x = 73,626.91

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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.