Home / 220,579.38-304,453.62-125,141.94

Finding the Fourth Proportional to 220,579.38, 304,453.62 and 125,141.94

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Solution

The fourth proportional to 220,579.38, 304,453.62 and 125,141.94 is: 172,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,579.38 : 304,453.62 = 125,141.94 : x
  2. Step 2: Convert to fraction form
    220,579.38/304,453.62 = 125,141.94/x
  3. Step 3: Cross multiply
    220,579.38x = 304,453.62 × 125,141.94
  4. Step 4: Simplify right side
    220,579.38x = 38,099,916,646.82
  5. Step 5: Solve for x
    x = 38,099,916,646.82/220,579.38
  6. Step 6: Final answer
    x = 172,726.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.