Home / 138,790.20-208,185.82-33,609.26

Finding the Fourth Proportional to 138,790.20, 208,185.82 and 33,609.26

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Solution

The fourth proportional to 138,790.20, 208,185.82 and 33,609.26 is: 50,414.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,790.20 : 208,185.82 = 33,609.26 : x
  2. Step 2: Convert to fraction form
    138,790.20/208,185.82 = 33,609.26/x
  3. Step 3: Cross multiply
    138,790.20x = 208,185.82 × 33,609.26
  4. Step 4: Simplify right side
    138,790.20x = 6,996,971,352.69
  5. Step 5: Solve for x
    x = 6,996,971,352.69/138,790.20
  6. Step 6: Final answer
    x = 50,414.02

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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.