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Finding the Fourth Proportional to 101,188.77, 151,769.29 and 30,122.37

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Solution

The fourth proportional to 101,188.77, 151,769.29 and 30,122.37 is: 45,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,188.77 : 151,769.29 = 30,122.37 : x
  2. Step 2: Convert to fraction form
    101,188.77/151,769.29 = 30,122.37/x
  3. Step 3: Cross multiply
    101,188.77x = 151,769.29 × 30,122.37
  4. Step 4: Simplify right side
    101,188.77x = 4,571,650,708.02
  5. Step 5: Solve for x
    x = 4,571,650,708.02/101,188.77
  6. Step 6: Final answer
    x = 45,179.43

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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.