Home / 166,404.20-249,638.70-71,634.20

Finding the Fourth Proportional to 166,404.20, 249,638.70 and 71,634.20

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Solution

The fourth proportional to 166,404.20, 249,638.70 and 71,634.20 is: 107,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,404.20 : 249,638.70 = 71,634.20 : x
  2. Step 2: Convert to fraction form
    166,404.20/249,638.70 = 71,634.20/x
  3. Step 3: Cross multiply
    166,404.20x = 249,638.70 × 71,634.20
  4. Step 4: Simplify right side
    166,404.20x = 17,882,668,563.54
  5. Step 5: Solve for x
    x = 17,882,668,563.54/166,404.20
  6. Step 6: Final answer
    x = 107,465.25

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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.