Home / 205,565.86-308,208.46-109,517.44

Finding the Fourth Proportional to 205,565.86, 308,208.46 and 109,517.44

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Solution

The fourth proportional to 205,565.86, 308,208.46 and 109,517.44 is: 164,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,565.86 : 308,208.46 = 109,517.44 : x
  2. Step 2: Convert to fraction form
    205,565.86/308,208.46 = 109,517.44/x
  3. Step 3: Cross multiply
    205,565.86x = 308,208.46 × 109,517.44
  4. Step 4: Simplify right side
    205,565.86x = 33,754,201,525.54
  5. Step 5: Solve for x
    x = 33,754,201,525.54/205,565.86
  6. Step 6: Final answer
    x = 164,201.40

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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.