Home / 205,407.11-308,226.71-110,635.29

Finding the Fourth Proportional to 205,407.11, 308,226.71 and 110,635.29

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Solution

The fourth proportional to 205,407.11, 308,226.71 and 110,635.29 is: 166,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,407.11 : 308,226.71 = 110,635.29 : x
  2. Step 2: Convert to fraction form
    205,407.11/308,226.71 = 110,635.29/x
  3. Step 3: Cross multiply
    205,407.11x = 308,226.71 × 110,635.29
  4. Step 4: Simplify right side
    205,407.11x = 34,100,751,723.18
  5. Step 5: Solve for x
    x = 34,100,751,723.18/205,407.11
  6. Step 6: Final answer
    x = 166,015.44

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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.