Home / 147,644.82-203,747.01-80,577.30

Finding the Fourth Proportional to 147,644.82, 203,747.01 and 80,577.30

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Solution

The fourth proportional to 147,644.82, 203,747.01 and 80,577.30 is: 111,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,644.82 : 203,747.01 = 80,577.30 : x
  2. Step 2: Convert to fraction form
    147,644.82/203,747.01 = 80,577.30/x
  3. Step 3: Cross multiply
    147,644.82x = 203,747.01 × 80,577.30
  4. Step 4: Simplify right side
    147,644.82x = 16,417,383,948.87
  5. Step 5: Solve for x
    x = 16,417,383,948.87/147,644.82
  6. Step 6: Final answer
    x = 111,195.12

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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.