Home / 213,313.03-319,911.22-80,183.05

Finding the Fourth Proportional to 213,313.03, 319,911.22 and 80,183.05

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Solution

The fourth proportional to 213,313.03, 319,911.22 and 80,183.05 is: 120,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,313.03 : 319,911.22 = 80,183.05 : x
  2. Step 2: Convert to fraction form
    213,313.03/319,911.22 = 80,183.05/x
  3. Step 3: Cross multiply
    213,313.03x = 319,911.22 × 80,183.05
  4. Step 4: Simplify right side
    213,313.03x = 25,651,455,348.35
  5. Step 5: Solve for x
    x = 25,651,455,348.35/213,313.03
  6. Step 6: Final answer
    x = 120,252.64

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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.