Home / 166,768.20-249,982.20-82,398.60

Finding the Fourth Proportional to 166,768.20, 249,982.20 and 82,398.60

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Solution

The fourth proportional to 166,768.20, 249,982.20 and 82,398.60 is: 123,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,768.20 : 249,982.20 = 82,398.60 : x
  2. Step 2: Convert to fraction form
    166,768.20/249,982.20 = 82,398.60/x
  3. Step 3: Cross multiply
    166,768.20x = 249,982.20 × 82,398.60
  4. Step 4: Simplify right side
    166,768.20x = 20,598,183,304.92
  5. Step 5: Solve for x
    x = 20,598,183,304.92/166,768.20
  6. Step 6: Final answer
    x = 123,513.86

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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.