Home / 223,406.38-335,106.06-81,249.76

Finding the Fourth Proportional to 223,406.38, 335,106.06 and 81,249.76

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Solution

The fourth proportional to 223,406.38, 335,106.06 and 81,249.76 is: 121,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,406.38 : 335,106.06 = 81,249.76 : x
  2. Step 2: Convert to fraction form
    223,406.38/335,106.06 = 81,249.76/x
  3. Step 3: Cross multiply
    223,406.38x = 335,106.06 × 81,249.76
  4. Step 4: Simplify right side
    223,406.38x = 27,227,286,949.55
  5. Step 5: Solve for x
    x = 27,227,286,949.55/223,406.38
  6. Step 6: Final answer
    x = 121,873.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.