Home / 439,627.80-659,429.34-140,126.33

Finding the Fourth Proportional to 439,627.80, 659,429.34 and 140,126.33

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Solution

The fourth proportional to 439,627.80, 659,429.34 and 140,126.33 is: 210,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,627.80 : 659,429.34 = 140,126.33 : x
  2. Step 2: Convert to fraction form
    439,627.80/659,429.34 = 140,126.33/x
  3. Step 3: Cross multiply
    439,627.80x = 659,429.34 × 140,126.33
  4. Step 4: Simplify right side
    439,627.80x = 92,403,410,011.38
  5. Step 5: Solve for x
    x = 92,403,410,011.38/439,627.80
  6. Step 6: Final answer
    x = 210,185.55

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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.