Home / 439,591.02-659,379.32-140,067.55

Finding the Fourth Proportional to 439,591.02, 659,379.32 and 140,067.55

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Solution

The fourth proportional to 439,591.02, 659,379.32 and 140,067.55 is: 210,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,591.02 : 659,379.32 = 140,067.55 : x
  2. Step 2: Convert to fraction form
    439,591.02/659,379.32 = 140,067.55/x
  3. Step 3: Cross multiply
    439,591.02x = 659,379.32 × 140,067.55
  4. Step 4: Simplify right side
    439,591.02x = 92,357,645,873.07
  5. Step 5: Solve for x
    x = 92,357,645,873.07/439,591.02
  6. Step 6: Final answer
    x = 210,099.03

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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.