Home / 236,134.73-325,863.06-128,704.43

Finding the Fourth Proportional to 236,134.73, 325,863.06 and 128,704.43

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Solution

The fourth proportional to 236,134.73, 325,863.06 and 128,704.43 is: 177,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,134.73 : 325,863.06 = 128,704.43 : x
  2. Step 2: Convert to fraction form
    236,134.73/325,863.06 = 128,704.43/x
  3. Step 3: Cross multiply
    236,134.73x = 325,863.06 × 128,704.43
  4. Step 4: Simplify right side
    236,134.73x = 41,940,019,395.36
  5. Step 5: Solve for x
    x = 41,940,019,395.36/236,134.73
  6. Step 6: Final answer
    x = 177,610.55

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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.