Home / 205,215.35-308,012.25-104,084.37

Finding the Fourth Proportional to 205,215.35, 308,012.25 and 104,084.37

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Solution

The fourth proportional to 205,215.35, 308,012.25 and 104,084.37 is: 156,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,215.35 : 308,012.25 = 104,084.37 : x
  2. Step 2: Convert to fraction form
    205,215.35/308,012.25 = 104,084.37/x
  3. Step 3: Cross multiply
    205,215.35x = 308,012.25 × 104,084.37
  4. Step 4: Simplify right side
    205,215.35x = 32,059,260,993.53
  5. Step 5: Solve for x
    x = 32,059,260,993.53/205,215.35
  6. Step 6: Final answer
    x = 156,222.53

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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.