Home / 205,563.08-308,204.28-109,514.64

Finding the Fourth Proportional to 205,563.08, 308,204.28 and 109,514.64

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Solution

The fourth proportional to 205,563.08, 308,204.28 and 109,514.64 is: 164,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,563.08 : 308,204.28 = 109,514.64 : x
  2. Step 2: Convert to fraction form
    205,563.08/308,204.28 = 109,514.64/x
  3. Step 3: Cross multiply
    205,563.08x = 308,204.28 × 109,514.64
  4. Step 4: Simplify right side
    205,563.08x = 33,752,880,770.66
  5. Step 5: Solve for x
    x = 33,752,880,770.66/205,563.08
  6. Step 6: Final answer
    x = 164,197.19

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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.