Home / 225,922.21-338,885.75-68,152.03

Finding the Fourth Proportional to 225,922.21, 338,885.75 and 68,152.03

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Solution

The fourth proportional to 225,922.21, 338,885.75 and 68,152.03 is: 102,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,922.21 : 338,885.75 = 68,152.03 : x
  2. Step 2: Convert to fraction form
    225,922.21/338,885.75 = 68,152.03/x
  3. Step 3: Cross multiply
    225,922.21x = 338,885.75 × 68,152.03
  4. Step 4: Simplify right side
    225,922.21x = 23,095,751,123.74
  5. Step 5: Solve for x
    x = 23,095,751,123.74/225,922.21
  6. Step 6: Final answer
    x = 102,228.78

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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.