Home / 206,220.96-309,281.04-65,950.56

Finding the Fourth Proportional to 206,220.96, 309,281.04 and 65,950.56

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Solution

The fourth proportional to 206,220.96, 309,281.04 and 65,950.56 is: 98,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,220.96 : 309,281.04 = 65,950.56 : x
  2. Step 2: Convert to fraction form
    206,220.96/309,281.04 = 65,950.56/x
  3. Step 3: Cross multiply
    206,220.96x = 309,281.04 × 65,950.56
  4. Step 4: Simplify right side
    206,220.96x = 20,397,257,785.38
  5. Step 5: Solve for x
    x = 20,397,257,785.38/206,220.96
  6. Step 6: Final answer
    x = 98,909.72

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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.