Home / 189,112.20-260,976.42-104,229.48

Finding the Fourth Proportional to 189,112.20, 260,976.42 and 104,229.48

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Solution

The fourth proportional to 189,112.20, 260,976.42 and 104,229.48 is: 143,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,112.20 : 260,976.42 = 104,229.48 : x
  2. Step 2: Convert to fraction form
    189,112.20/260,976.42 = 104,229.48/x
  3. Step 3: Cross multiply
    189,112.20x = 260,976.42 × 104,229.48
  4. Step 4: Simplify right side
    189,112.20x = 27,201,436,548.86
  5. Step 5: Solve for x
    x = 27,201,436,548.86/189,112.20
  6. Step 6: Final answer
    x = 143,837.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.