Home / 213,698.20-320,576.10-73,499.80

Finding the Fourth Proportional to 213,698.20, 320,576.10 and 73,499.80

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Solution

The fourth proportional to 213,698.20, 320,576.10 and 73,499.80 is: 110,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,698.20 : 320,576.10 = 73,499.80 : x
  2. Step 2: Convert to fraction form
    213,698.20/320,576.10 = 73,499.80/x
  3. Step 3: Cross multiply
    213,698.20x = 320,576.10 × 73,499.80
  4. Step 4: Simplify right side
    213,698.20x = 23,562,279,234.78
  5. Step 5: Solve for x
    x = 23,562,279,234.78/213,698.20
  6. Step 6: Final answer
    x = 110,259.61

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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.