Home / 236,058.98-325,761.45-128,629.04

Finding the Fourth Proportional to 236,058.98, 325,761.45 and 128,629.04

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Solution

The fourth proportional to 236,058.98, 325,761.45 and 128,629.04 is: 177,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,058.98 : 325,761.45 = 128,629.04 : x
  2. Step 2: Convert to fraction form
    236,058.98/325,761.45 = 128,629.04/x
  3. Step 3: Cross multiply
    236,058.98x = 325,761.45 × 128,629.04
  4. Step 4: Simplify right side
    236,058.98x = 41,902,382,582.51
  5. Step 5: Solve for x
    x = 41,902,382,582.51/236,058.98
  6. Step 6: Final answer
    x = 177,508.11

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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.