Home / 189,104.20-260,965.38-104,221.48

Finding the Fourth Proportional to 189,104.20, 260,965.38 and 104,221.48

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Solution

The fourth proportional to 189,104.20, 260,965.38 and 104,221.48 is: 143,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,104.20 : 260,965.38 = 104,221.48 : x
  2. Step 2: Convert to fraction form
    189,104.20/260,965.38 = 104,221.48/x
  3. Step 3: Cross multiply
    189,104.20x = 260,965.38 × 104,221.48
  4. Step 4: Simplify right side
    189,104.20x = 27,198,198,132.36
  5. Step 5: Solve for x
    x = 27,198,198,132.36/189,104.20
  6. Step 6: Final answer
    x = 143,826.52

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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.