Home / 205,136.52-306,693.24-173,895.21

Finding the Fourth Proportional to 205,136.52, 306,693.24 and 173,895.21

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Solution

The fourth proportional to 205,136.52, 306,693.24 and 173,895.21 is: 259,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,136.52 : 306,693.24 = 173,895.21 : x
  2. Step 2: Convert to fraction form
    205,136.52/306,693.24 = 173,895.21/x
  3. Step 3: Cross multiply
    205,136.52x = 306,693.24 × 173,895.21
  4. Step 4: Simplify right side
    205,136.52x = 53,332,485,375.38
  5. Step 5: Solve for x
    x = 53,332,485,375.38/205,136.52
  6. Step 6: Final answer
    x = 259,985.33

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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.