Home / 213,467.10-320,200.62-80,377.20

Finding the Fourth Proportional to 213,467.10, 320,200.62 and 80,377.20

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Solution

The fourth proportional to 213,467.10, 320,200.62 and 80,377.20 is: 120,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,467.10 : 320,200.62 = 80,377.20 : x
  2. Step 2: Convert to fraction form
    213,467.10/320,200.62 = 80,377.20/x
  3. Step 3: Cross multiply
    213,467.10x = 320,200.62 × 80,377.20
  4. Step 4: Simplify right side
    213,467.10x = 25,736,829,273.86
  5. Step 5: Solve for x
    x = 25,736,829,273.86/213,467.10
  6. Step 6: Final answer
    x = 120,565.79

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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.