Home / 188,102.96-259,585.26-103,227.92

Finding the Fourth Proportional to 188,102.96, 259,585.26 and 103,227.92

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Solution

The fourth proportional to 188,102.96, 259,585.26 and 103,227.92 is: 142,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,102.96 : 259,585.26 = 103,227.92 : x
  2. Step 2: Convert to fraction form
    188,102.96/259,585.26 = 103,227.92/x
  3. Step 3: Cross multiply
    188,102.96x = 259,585.26 × 103,227.92
  4. Step 4: Simplify right side
    188,102.96x = 26,796,446,452.46
  5. Step 5: Solve for x
    x = 26,796,446,452.46/188,102.96
  6. Step 6: Final answer
    x = 142,456.27

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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.