Home / 205,914.43-284,167.88-115,269.85

Finding the Fourth Proportional to 205,914.43, 284,167.88 and 115,269.85

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Solution

The fourth proportional to 205,914.43, 284,167.88 and 115,269.85 is: 159,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,914.43 : 284,167.88 = 115,269.85 : x
  2. Step 2: Convert to fraction form
    205,914.43/284,167.88 = 115,269.85/x
  3. Step 3: Cross multiply
    205,914.43x = 284,167.88 × 115,269.85
  4. Step 4: Simplify right side
    205,914.43x = 32,755,988,902.42
  5. Step 5: Solve for x
    x = 32,755,988,902.42/205,914.43
  6. Step 6: Final answer
    x = 159,075.73

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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.