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Finding the Fourth Proportional to 101,197.40, 151,769.60 and 30,100.93

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Solution

The fourth proportional to 101,197.40, 151,769.60 and 30,100.93 is: 45,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,197.40 : 151,769.60 = 30,100.93 : x
  2. Step 2: Convert to fraction form
    101,197.40/151,769.60 = 30,100.93/x
  3. Step 3: Cross multiply
    101,197.40x = 151,769.60 × 30,100.93
  4. Step 4: Simplify right side
    101,197.40x = 4,568,405,575.80
  5. Step 5: Solve for x
    x = 4,568,405,575.80/101,197.40
  6. Step 6: Final answer
    x = 45,143.51

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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.