Home / 166,299.20-249,481.20-66,442.40

Finding the Fourth Proportional to 166,299.20, 249,481.20 and 66,442.40

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Solution

The fourth proportional to 166,299.20, 249,481.20 and 66,442.40 is: 99,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,299.20 : 249,481.20 = 66,442.40 : x
  2. Step 2: Convert to fraction form
    166,299.20/249,481.20 = 66,442.40/x
  3. Step 3: Cross multiply
    166,299.20x = 249,481.20 × 66,442.40
  4. Step 4: Simplify right side
    166,299.20x = 16,576,129,682.88
  5. Step 5: Solve for x
    x = 16,576,129,682.88/166,299.20
  6. Step 6: Final answer
    x = 99,676.54

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1.5x scale

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.