Home / 240,091.20-360,136.80-82,321.02

Finding the Fourth Proportional to 240,091.20, 360,136.80 and 82,321.02

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Solution

The fourth proportional to 240,091.20, 360,136.80 and 82,321.02 is: 123,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,091.20 : 360,136.80 = 82,321.02 : x
  2. Step 2: Convert to fraction form
    240,091.20/360,136.80 = 82,321.02/x
  3. Step 3: Cross multiply
    240,091.20x = 360,136.80 × 82,321.02
  4. Step 4: Simplify right side
    240,091.20x = 29,646,828,715.54
  5. Step 5: Solve for x
    x = 29,646,828,715.54/240,091.20
  6. Step 6: Final answer
    x = 123,481.53

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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.