Home / 101,187.11-151,751.96-30,106.88

Finding the Fourth Proportional to 101,187.11, 151,751.96 and 30,106.88

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Solution

The fourth proportional to 101,187.11, 151,751.96 and 30,106.88 is: 45,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187.11 : 151,751.96 = 30,106.88 : x
  2. Step 2: Convert to fraction form
    101,187.11/151,751.96 = 30,106.88/x
  3. Step 3: Cross multiply
    101,187.11x = 151,751.96 × 30,106.88
  4. Step 4: Simplify right side
    101,187.11x = 4,568,778,049.48
  5. Step 5: Solve for x
    x = 4,568,778,049.48/101,187.11
  6. Step 6: Final answer
    x = 45,151.78

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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.