Home / 136,441.86-188,238.01-82,707.27

Finding the Fourth Proportional to 136,441.86, 188,238.01 and 82,707.27

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Solution

The fourth proportional to 136,441.86, 188,238.01 and 82,707.27 is: 114,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,441.86 : 188,238.01 = 82,707.27 : x
  2. Step 2: Convert to fraction form
    136,441.86/188,238.01 = 82,707.27/x
  3. Step 3: Cross multiply
    136,441.86x = 188,238.01 × 82,707.27
  4. Step 4: Simplify right side
    136,441.86x = 15,568,651,917.33
  5. Step 5: Solve for x
    x = 15,568,651,917.33/136,441.86
  6. Step 6: Final answer
    x = 114,104.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.