Home / 130,743.74-195,930.20-54,760.41

Finding the Fourth Proportional to 130,743.74, 195,930.20 and 54,760.41

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Solution

The fourth proportional to 130,743.74, 195,930.20 and 54,760.41 is: 82,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,743.74 : 195,930.20 = 54,760.41 : x
  2. Step 2: Convert to fraction form
    130,743.74/195,930.20 = 54,760.41/x
  3. Step 3: Cross multiply
    130,743.74x = 195,930.20 × 54,760.41
  4. Step 4: Simplify right side
    130,743.74x = 10,729,217,809.58
  5. Step 5: Solve for x
    x = 10,729,217,809.58/130,743.74
  6. Step 6: Final answer
    x = 82,062.96

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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.