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Finding the Fourth Proportional to 166,002.20, 249,035.70 and 71,232.20

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Solution

The fourth proportional to 166,002.20, 249,035.70 and 71,232.20 is: 106,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,002.20 : 249,035.70 = 71,232.20 : x
  2. Step 2: Convert to fraction form
    166,002.20/249,035.70 = 71,232.20/x
  3. Step 3: Cross multiply
    166,002.20x = 249,035.70 × 71,232.20
  4. Step 4: Simplify right side
    166,002.20x = 17,739,360,789.54
  5. Step 5: Solve for x
    x = 17,739,360,789.54/166,002.20
  6. Step 6: Final answer
    x = 106,862.20

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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.