Home / 166,264.10-249,626.55-131,243.30

Finding the Fourth Proportional to 166,264.10, 249,626.55 and 131,243.30

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Solution

The fourth proportional to 166,264.10, 249,626.55 and 131,243.30 is: 197,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,264.10 : 249,626.55 = 131,243.30 : x
  2. Step 2: Convert to fraction form
    166,264.10/249,626.55 = 131,243.30/x
  3. Step 3: Cross multiply
    166,264.10x = 249,626.55 × 131,243.30
  4. Step 4: Simplify right side
    166,264.10x = 32,761,812,189.62
  5. Step 5: Solve for x
    x = 32,761,812,189.62/166,264.10
  6. Step 6: Final answer
    x = 197,046.82

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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.