Home / 147,821.31-203,933.01-109,151.79

Finding the Fourth Proportional to 147,821.31, 203,933.01 and 109,151.79

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Solution

The fourth proportional to 147,821.31, 203,933.01 and 109,151.79 is: 150,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,821.31 : 203,933.01 = 109,151.79 : x
  2. Step 2: Convert to fraction form
    147,821.31/203,933.01 = 109,151.79/x
  3. Step 3: Cross multiply
    147,821.31x = 203,933.01 × 109,151.79
  4. Step 4: Simplify right side
    147,821.31x = 22,259,652,535.83
  5. Step 5: Solve for x
    x = 22,259,652,535.83/147,821.31
  6. Step 6: Final answer
    x = 150,584.87

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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.