Home / 225,932.49-338,899.90-76,174.08

Finding the Fourth Proportional to 225,932.49, 338,899.90 and 76,174.08

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Solution

The fourth proportional to 225,932.49, 338,899.90 and 76,174.08 is: 114,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,932.49 : 338,899.90 = 76,174.08 : x
  2. Step 2: Convert to fraction form
    225,932.49/338,899.90 = 76,174.08/x
  3. Step 3: Cross multiply
    225,932.49x = 338,899.90 × 76,174.08
  4. Step 4: Simplify right side
    225,932.49x = 25,815,388,094.59
  5. Step 5: Solve for x
    x = 25,815,388,094.59/225,932.49
  6. Step 6: Final answer
    x = 114,261.51

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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.