Home / 204,218.43-306,369.16-71,109.07

Finding the Fourth Proportional to 204,218.43, 306,369.16 and 71,109.07

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Solution

The fourth proportional to 204,218.43, 306,369.16 and 71,109.07 is: 106,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,218.43 : 306,369.16 = 71,109.07 : x
  2. Step 2: Convert to fraction form
    204,218.43/306,369.16 = 71,109.07/x
  3. Step 3: Cross multiply
    204,218.43x = 306,369.16 × 71,109.07
  4. Step 4: Simplify right side
    204,218.43x = 21,785,625,092.35
  5. Step 5: Solve for x
    x = 21,785,625,092.35/204,218.43
  6. Step 6: Final answer
    x = 106,678.06

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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.