Home / 205,914.33-284,166.90-115,269.57

Finding the Fourth Proportional to 205,914.33, 284,166.90 and 115,269.57

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Solution

The fourth proportional to 205,914.33, 284,166.90 and 115,269.57 is: 159,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,914.33 : 284,166.90 = 115,269.57 : x
  2. Step 2: Convert to fraction form
    205,914.33/284,166.90 = 115,269.57/x
  3. Step 3: Cross multiply
    205,914.33x = 284,166.90 × 115,269.57
  4. Step 4: Simplify right side
    205,914.33x = 32,755,796,371.23
  5. Step 5: Solve for x
    x = 32,755,796,371.23/205,914.33
  6. Step 6: Final answer
    x = 159,074.88

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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.