Home / 206,299.51-284,694.41-120,318.21

Finding the Fourth Proportional to 206,299.51, 284,694.41 and 120,318.21

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Solution

The fourth proportional to 206,299.51, 284,694.41 and 120,318.21 is: 166,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,299.51 : 284,694.41 = 120,318.21 : x
  2. Step 2: Convert to fraction form
    206,299.51/284,694.41 = 120,318.21/x
  3. Step 3: Cross multiply
    206,299.51x = 284,694.41 × 120,318.21
  4. Step 4: Simplify right side
    206,299.51x = 34,253,922,109.00
  5. Step 5: Solve for x
    x = 34,253,922,109.00/206,299.51
  6. Step 6: Final answer
    x = 166,039.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.