Home / 226,718.03-312,873.51-129,919.97

Finding the Fourth Proportional to 226,718.03, 312,873.51 and 129,919.97

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Solution

The fourth proportional to 226,718.03, 312,873.51 and 129,919.97 is: 179,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,718.03 : 312,873.51 = 129,919.97 : x
  2. Step 2: Convert to fraction form
    226,718.03/312,873.51 = 129,919.97/x
  3. Step 3: Cross multiply
    226,718.03x = 312,873.51 × 129,919.97
  4. Step 4: Simplify right side
    226,718.03x = 40,648,515,468.63
  5. Step 5: Solve for x
    x = 40,648,515,468.63/226,718.03
  6. Step 6: Final answer
    x = 179,291.06

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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.