Home / 236,717.51-326,665.10-129,287.97

Finding the Fourth Proportional to 236,717.51, 326,665.10 and 129,287.97

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Solution

The fourth proportional to 236,717.51, 326,665.10 and 129,287.97 is: 178,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,717.51 : 326,665.10 = 129,287.97 : x
  2. Step 2: Convert to fraction form
    236,717.51/326,665.10 = 129,287.97/x
  3. Step 3: Cross multiply
    236,717.51x = 326,665.10 × 129,287.97
  4. Step 4: Simplify right side
    236,717.51x = 42,233,867,002.41
  5. Step 5: Solve for x
    x = 42,233,867,002.41/236,717.51
  6. Step 6: Final answer
    x = 178,414.63

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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.