Home / 215,975.26-298,053.98-120,500.42

Finding the Fourth Proportional to 215,975.26, 298,053.98 and 120,500.42

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Solution

The fourth proportional to 215,975.26, 298,053.98 and 120,500.42 is: 166,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,975.26 : 298,053.98 = 120,500.42 : x
  2. Step 2: Convert to fraction form
    215,975.26/298,053.98 = 120,500.42/x
  3. Step 3: Cross multiply
    215,975.26x = 298,053.98 × 120,500.42
  4. Step 4: Simplify right side
    215,975.26x = 35,915,629,772.67
  5. Step 5: Solve for x
    x = 35,915,629,772.67/215,975.26
  6. Step 6: Final answer
    x = 166,295.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.