Home / 195,608.73-269,921.38-155,419.77

Finding the Fourth Proportional to 195,608.73, 269,921.38 and 155,419.77

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Solution

The fourth proportional to 195,608.73, 269,921.38 and 155,419.77 is: 214,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,608.73 : 269,921.38 = 155,419.77 : x
  2. Step 2: Convert to fraction form
    195,608.73/269,921.38 = 155,419.77/x
  3. Step 3: Cross multiply
    195,608.73x = 269,921.38 × 155,419.77
  4. Step 4: Simplify right side
    195,608.73x = 41,951,118,797.68
  5. Step 5: Solve for x
    x = 41,951,118,797.68/195,608.73
  6. Step 6: Final answer
    x = 214,464.45

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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.