Home / 180,099.45-270,149.31-46,979.55

Finding the Fourth Proportional to 180,099.45, 270,149.31 and 46,979.55

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Solution

The fourth proportional to 180,099.45, 270,149.31 and 46,979.55 is: 70,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,099.45 : 270,149.31 = 46,979.55 : x
  2. Step 2: Convert to fraction form
    180,099.45/270,149.31 = 46,979.55/x
  3. Step 3: Cross multiply
    180,099.45x = 270,149.31 × 46,979.55
  4. Step 4: Simplify right side
    180,099.45x = 12,691,493,016.61
  5. Step 5: Solve for x
    x = 12,691,493,016.61/180,099.45
  6. Step 6: Final answer
    x = 70,469.36

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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.