Home / 206,348.24-309,502.20-66,069.20

Finding the Fourth Proportional to 206,348.24, 309,502.20 and 66,069.20

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Solution

The fourth proportional to 206,348.24, 309,502.20 and 66,069.20 is: 99,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,348.24 : 309,502.20 = 66,069.20 : x
  2. Step 2: Convert to fraction form
    206,348.24/309,502.20 = 66,069.20/x
  3. Step 3: Cross multiply
    206,348.24x = 309,502.20 × 66,069.20
  4. Step 4: Simplify right side
    206,348.24x = 20,448,562,752.24
  5. Step 5: Solve for x
    x = 20,448,562,752.24/206,348.24
  6. Step 6: Final answer
    x = 99,097.35

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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.