Home / 206,550.20-309,825.30-66,407.24

Finding the Fourth Proportional to 206,550.20, 309,825.30 and 66,407.24

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Solution

The fourth proportional to 206,550.20, 309,825.30 and 66,407.24 is: 99,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,550.20 : 309,825.30 = 66,407.24 : x
  2. Step 2: Convert to fraction form
    206,550.20/309,825.30 = 66,407.24/x
  3. Step 3: Cross multiply
    206,550.20x = 309,825.30 × 66,407.24
  4. Step 4: Simplify right side
    206,550.20x = 20,574,641,506.05
  5. Step 5: Solve for x
    x = 20,574,641,506.05/206,550.20
  6. Step 6: Final answer
    x = 99,610.85

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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.