Home / 146,789.20-220,183.80-127,106.20

Finding the Fourth Proportional to 146,789.20, 220,183.80 and 127,106.20

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Solution

The fourth proportional to 146,789.20, 220,183.80 and 127,106.20 is: 190,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,789.20 : 220,183.80 = 127,106.20 : x
  2. Step 2: Convert to fraction form
    146,789.20/220,183.80 = 127,106.20/x
  3. Step 3: Cross multiply
    146,789.20x = 220,183.80 × 127,106.20
  4. Step 4: Simplify right side
    146,789.20x = 27,986,726,119.56
  5. Step 5: Solve for x
    x = 27,986,726,119.56/146,789.20
  6. Step 6: Final answer
    x = 190,659.30

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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.