Home / 205,405.86-308,224.83-110,634.04

Finding the Fourth Proportional to 205,405.86, 308,224.83 and 110,634.04

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Solution

The fourth proportional to 205,405.86, 308,224.83 and 110,634.04 is: 166,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,405.86 : 308,224.83 = 110,634.04 : x
  2. Step 2: Convert to fraction form
    205,405.86/308,224.83 = 110,634.04/x
  3. Step 3: Cross multiply
    205,405.86x = 308,224.83 × 110,634.04
  4. Step 4: Simplify right side
    205,405.86x = 34,100,158,171.21
  5. Step 5: Solve for x
    x = 34,100,158,171.21/205,405.86
  6. Step 6: Final answer
    x = 166,013.56

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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.