Home / 189,101.20-260,961.24-104,218.48

Finding the Fourth Proportional to 189,101.20, 260,961.24 and 104,218.48

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Solution

The fourth proportional to 189,101.20, 260,961.24 and 104,218.48 is: 143,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,101.20 : 260,961.24 = 104,218.48 : x
  2. Step 2: Convert to fraction form
    189,101.20/260,961.24 = 104,218.48/x
  3. Step 3: Cross multiply
    189,101.20x = 260,961.24 × 104,218.48
  4. Step 4: Simplify right side
    189,101.20x = 27,196,983,771.72
  5. Step 5: Solve for x
    x = 27,196,983,771.72/189,101.20
  6. Step 6: Final answer
    x = 143,822.38

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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.