Home / 205,115.80-307,718.22-62,961.64

Finding the Fourth Proportional to 205,115.80, 307,718.22 and 62,961.64

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Solution

The fourth proportional to 205,115.80, 307,718.22 and 62,961.64 is: 94,456.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,115.80 : 307,718.22 = 62,961.64 : x
  2. Step 2: Convert to fraction form
    205,115.80/307,718.22 = 62,961.64/x
  3. Step 3: Cross multiply
    205,115.80x = 307,718.22 × 62,961.64
  4. Step 4: Simplify right side
    205,115.80x = 19,374,443,789.08
  5. Step 5: Solve for x
    x = 19,374,443,789.08/205,115.80
  6. Step 6: Final answer
    x = 94,456.13

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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.