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Finding the Fourth Proportional to 101,151.26, 151,820.11 and 51,266.76

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Solution

The fourth proportional to 101,151.26, 151,820.11 and 51,266.76 is: 76,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,151.26 : 151,820.11 = 51,266.76 : x
  2. Step 2: Convert to fraction form
    101,151.26/151,820.11 = 51,266.76/x
  3. Step 3: Cross multiply
    101,151.26x = 151,820.11 × 51,266.76
  4. Step 4: Simplify right side
    101,151.26x = 7,783,325,142.54
  5. Step 5: Solve for x
    x = 7,783,325,142.54/101,151.26
  6. Step 6: Final answer
    x = 76,947.39

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1.5x scale

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.