Home / 225,985.82-338,742.16-76,174.29

Finding the Fourth Proportional to 225,985.82, 338,742.16 and 76,174.29

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Solution

The fourth proportional to 225,985.82, 338,742.16 and 76,174.29 is: 114,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,985.82 : 338,742.16 = 76,174.29 : x
  2. Step 2: Convert to fraction form
    225,985.82/338,742.16 = 76,174.29/x
  3. Step 3: Cross multiply
    225,985.82x = 338,742.16 × 76,174.29
  4. Step 4: Simplify right side
    225,985.82x = 25,803,444,610.91
  5. Step 5: Solve for x
    x = 25,803,444,610.91/225,985.82
  6. Step 6: Final answer
    x = 114,181.70

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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.