Home / 161,305.20-242,007.01-82,474.79

Finding the Fourth Proportional to 161,305.20, 242,007.01 and 82,474.79

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Solution

The fourth proportional to 161,305.20, 242,007.01 and 82,474.79 is: 123,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,305.20 : 242,007.01 = 82,474.79 : x
  2. Step 2: Convert to fraction form
    161,305.20/242,007.01 = 82,474.79/x
  3. Step 3: Cross multiply
    161,305.20x = 242,007.01 × 82,474.79
  4. Step 4: Simplify right side
    161,305.20x = 19,959,475,912.06
  5. Step 5: Solve for x
    x = 19,959,475,912.06/161,305.20
  6. Step 6: Final answer
    x = 123,737.34

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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.