Home / 189,474.72-261,475.46-104,591.85

Finding the Fourth Proportional to 189,474.72, 261,475.46 and 104,591.85

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Solution

The fourth proportional to 189,474.72, 261,475.46 and 104,591.85 is: 144,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,474.72 : 261,475.46 = 104,591.85 : x
  2. Step 2: Convert to fraction form
    189,474.72/261,475.46 = 104,591.85/x
  3. Step 3: Cross multiply
    189,474.72x = 261,475.46 × 104,591.85
  4. Step 4: Simplify right side
    189,474.72x = 27,348,202,091.00
  5. Step 5: Solve for x
    x = 27,348,202,091.00/189,474.72
  6. Step 6: Final answer
    x = 144,336.94

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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.