Home / 205,909.30-284,154.94-115,265.44

Finding the Fourth Proportional to 205,909.30, 284,154.94 and 115,265.44

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Solution

The fourth proportional to 205,909.30, 284,154.94 and 115,265.44 is: 159,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,909.30 : 284,154.94 = 115,265.44 : x
  2. Step 2: Convert to fraction form
    205,909.30/284,154.94 = 115,265.44/x
  3. Step 3: Cross multiply
    205,909.30x = 284,154.94 × 115,265.44
  4. Step 4: Simplify right side
    205,909.30x = 32,753,244,187.27
  5. Step 5: Solve for x
    x = 32,753,244,187.27/205,909.30
  6. Step 6: Final answer
    x = 159,066.37

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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.