Home / 439,609.55-659,407.17-140,086.09

Finding the Fourth Proportional to 439,609.55, 659,407.17 and 140,086.09

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Solution

The fourth proportional to 439,609.55, 659,407.17 and 140,086.09 is: 210,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,609.55 : 659,407.17 = 140,086.09 : x
  2. Step 2: Convert to fraction form
    439,609.55/659,407.17 = 140,086.09/x
  3. Step 3: Cross multiply
    439,609.55x = 659,407.17 × 140,086.09
  4. Step 4: Simplify right side
    439,609.55x = 92,373,772,163.27
  5. Step 5: Solve for x
    x = 92,373,772,163.27/439,609.55
  6. Step 6: Final answer
    x = 210,126.85

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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.