Home / 225,933.21-338,663.34-76,121.73

Finding the Fourth Proportional to 225,933.21, 338,663.34 and 76,121.73

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Solution

The fourth proportional to 225,933.21, 338,663.34 and 76,121.73 is: 114,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,933.21 : 338,663.34 = 76,121.73 : x
  2. Step 2: Convert to fraction form
    225,933.21/338,663.34 = 76,121.73/x
  3. Step 3: Cross multiply
    225,933.21x = 338,663.34 × 76,121.73
  4. Step 4: Simplify right side
    225,933.21x = 25,779,639,328.38
  5. Step 5: Solve for x
    x = 25,779,639,328.38/225,933.21
  6. Step 6: Final answer
    x = 114,102.92

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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.