Home / 166,175.20-249,092.70-81,805.60

Finding the Fourth Proportional to 166,175.20, 249,092.70 and 81,805.60

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Solution

The fourth proportional to 166,175.20, 249,092.70 and 81,805.60 is: 122,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,175.20 : 249,092.70 = 81,805.60 : x
  2. Step 2: Convert to fraction form
    166,175.20/249,092.70 = 81,805.60/x
  3. Step 3: Cross multiply
    166,175.20x = 249,092.70 × 81,805.60
  4. Step 4: Simplify right side
    166,175.20x = 20,377,177,779.12
  5. Step 5: Solve for x
    x = 20,377,177,779.12/166,175.20
  6. Step 6: Final answer
    x = 122,624.66

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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.