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Finding the Fourth Proportional to 101,112.93, 151,546.41 and 71,539.29

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Solution

The fourth proportional to 101,112.93, 151,546.41 and 71,539.29 is: 107,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,112.93 : 151,546.41 = 71,539.29 : x
  2. Step 2: Convert to fraction form
    101,112.93/151,546.41 = 71,539.29/x
  3. Step 3: Cross multiply
    101,112.93x = 151,546.41 × 71,539.29
  4. Step 4: Simplify right side
    101,112.93x = 10,841,522,573.45
  5. Step 5: Solve for x
    x = 10,841,522,573.45/101,112.93
  6. Step 6: Final answer
    x = 107,221.92

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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.