Home / 138,944.30-208,415.97-33,763.23

Finding the Fourth Proportional to 138,944.30, 208,415.97 and 33,763.23

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Solution

The fourth proportional to 138,944.30, 208,415.97 and 33,763.23 is: 50,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,944.30 : 208,415.97 = 33,763.23 : x
  2. Step 2: Convert to fraction form
    138,944.30/208,415.97 = 33,763.23/x
  3. Step 3: Cross multiply
    138,944.30x = 208,415.97 × 33,763.23
  4. Step 4: Simplify right side
    138,944.30x = 7,036,796,330.78
  5. Step 5: Solve for x
    x = 7,036,796,330.78/138,944.30
  6. Step 6: Final answer
    x = 50,644.73

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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.