Home / 101,198.40-151,771.09-30,101.93

Finding the Fourth Proportional to 101,198.40, 151,771.09 and 30,101.93

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Solution

The fourth proportional to 101,198.40, 151,771.09 and 30,101.93 is: 45,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,198.40 : 151,771.09 = 30,101.93 : x
  2. Step 2: Convert to fraction form
    101,198.40/151,771.09 = 30,101.93/x
  3. Step 3: Cross multiply
    101,198.40x = 151,771.09 × 30,101.93
  4. Step 4: Simplify right side
    101,198.40x = 4,568,602,727.20
  5. Step 5: Solve for x
    x = 4,568,602,727.20/101,198.40
  6. Step 6: Final answer
    x = 45,145.01

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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.