Home / 146,738.30-220,107.45-53,231.90

Finding the Fourth Proportional to 146,738.30, 220,107.45 and 53,231.90

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Solution

The fourth proportional to 146,738.30, 220,107.45 and 53,231.90 is: 79,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.30 : 220,107.45 = 53,231.90 : x
  2. Step 2: Convert to fraction form
    146,738.30/220,107.45 = 53,231.90/x
  3. Step 3: Cross multiply
    146,738.30x = 220,107.45 × 53,231.90
  4. Step 4: Simplify right side
    146,738.30x = 11,716,737,767.66
  5. Step 5: Solve for x
    x = 11,716,737,767.66/146,738.30
  6. Step 6: Final answer
    x = 79,847.85

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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.