Home / 140,546.04-210,481.24-80,392.20

Finding the Fourth Proportional to 140,546.04, 210,481.24 and 80,392.20

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Solution

The fourth proportional to 140,546.04, 210,481.24 and 80,392.20 is: 120,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,546.04 : 210,481.24 = 80,392.20 : x
  2. Step 2: Convert to fraction form
    140,546.04/210,481.24 = 80,392.20/x
  3. Step 3: Cross multiply
    140,546.04x = 210,481.24 × 80,392.20
  4. Step 4: Simplify right side
    140,546.04x = 16,921,049,942.33
  5. Step 5: Solve for x
    x = 16,921,049,942.33/140,546.04
  6. Step 6: Final answer
    x = 120,395.07

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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.