Home / 239,970.20-360,003.90-82,214.60

Finding the Fourth Proportional to 239,970.20, 360,003.90 and 82,214.60

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Solution

The fourth proportional to 239,970.20, 360,003.90 and 82,214.60 is: 123,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,970.20 : 360,003.90 = 82,214.60 : x
  2. Step 2: Convert to fraction form
    239,970.20/360,003.90 = 82,214.60/x
  3. Step 3: Cross multiply
    239,970.20x = 360,003.90 × 82,214.60
  4. Step 4: Simplify right side
    239,970.20x = 29,597,576,636.94
  5. Step 5: Solve for x
    x = 29,597,576,636.94/239,970.20
  6. Step 6: Final answer
    x = 123,338.55

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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.