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Finding the Fourth Proportional to 101,260.87, 151,889.41 and 30,231.73

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Solution

The fourth proportional to 101,260.87, 151,889.41 and 30,231.73 is: 45,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,260.87 : 151,889.41 = 30,231.73 : x
  2. Step 2: Convert to fraction form
    101,260.87/151,889.41 = 30,231.73/x
  3. Step 3: Cross multiply
    101,260.87x = 151,889.41 × 30,231.73
  4. Step 4: Simplify right side
    101,260.87x = 4,591,879,860.63
  5. Step 5: Solve for x
    x = 4,591,879,860.63/101,260.87
  6. Step 6: Final answer
    x = 45,347.03

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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.