Home / 205,995.26-308,915.13-95,109.50

Finding the Fourth Proportional to 205,995.26, 308,915.13 and 95,109.50

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Solution

The fourth proportional to 205,995.26, 308,915.13 and 95,109.50 is: 142,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,995.26 : 308,915.13 = 95,109.50 : x
  2. Step 2: Convert to fraction form
    205,995.26/308,915.13 = 95,109.50/x
  3. Step 3: Cross multiply
    205,995.26x = 308,915.13 × 95,109.50
  4. Step 4: Simplify right side
    205,995.26x = 29,380,763,556.74
  5. Step 5: Solve for x
    x = 29,380,763,556.74/205,995.26
  6. Step 6: Final answer
    x = 142,628.35

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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.