Home / 172,664.09-238,313.21-116,042.66

Finding the Fourth Proportional to 172,664.09, 238,313.21 and 116,042.66

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Solution

The fourth proportional to 172,664.09, 238,313.21 and 116,042.66 is: 160,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,664.09 : 238,313.21 = 116,042.66 : x
  2. Step 2: Convert to fraction form
    172,664.09/238,313.21 = 116,042.66/x
  3. Step 3: Cross multiply
    172,664.09x = 238,313.21 × 116,042.66
  4. Step 4: Simplify right side
    172,664.09x = 27,654,498,801.54
  5. Step 5: Solve for x
    x = 27,654,498,801.54/172,664.09
  6. Step 6: Final answer
    x = 160,163.58

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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.