Home / 161,198.58-241,808.13-90,120.54

Finding the Fourth Proportional to 161,198.58, 241,808.13 and 90,120.54

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Solution

The fourth proportional to 161,198.58, 241,808.13 and 90,120.54 is: 135,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,198.58 : 241,808.13 = 90,120.54 : x
  2. Step 2: Convert to fraction form
    161,198.58/241,808.13 = 90,120.54/x
  3. Step 3: Cross multiply
    161,198.58x = 241,808.13 × 90,120.54
  4. Step 4: Simplify right side
    161,198.58x = 21,791,879,251.99
  5. Step 5: Solve for x
    x = 21,791,879,251.99/161,198.58
  6. Step 6: Final answer
    x = 135,186.55

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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.