Home / 189,076.72-260,937.48-104,193.76

Finding the Fourth Proportional to 189,076.72, 260,937.48 and 104,193.76

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Solution

The fourth proportional to 189,076.72, 260,937.48 and 104,193.76 is: 143,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,076.72 : 260,937.48 = 104,193.76 : x
  2. Step 2: Convert to fraction form
    189,076.72/260,937.48 = 104,193.76/x
  3. Step 3: Cross multiply
    189,076.72x = 260,937.48 × 104,193.76
  4. Step 4: Simplify right side
    189,076.72x = 27,188,057,166.12
  5. Step 5: Solve for x
    x = 27,188,057,166.12/189,076.72
  6. Step 6: Final answer
    x = 143,793.78

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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.