Home / 199,037.70-298,556.55-120,305.70

Finding the Fourth Proportional to 199,037.70, 298,556.55 and 120,305.70

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Solution

The fourth proportional to 199,037.70, 298,556.55 and 120,305.70 is: 180,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,037.70 : 298,556.55 = 120,305.70 : x
  2. Step 2: Convert to fraction form
    199,037.70/298,556.55 = 120,305.70/x
  3. Step 3: Cross multiply
    199,037.70x = 298,556.55 × 120,305.70
  4. Step 4: Simplify right side
    199,037.70x = 35,918,054,737.34
  5. Step 5: Solve for x
    x = 35,918,054,737.34/199,037.70
  6. Step 6: Final answer
    x = 180,458.55

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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.