Home / 189,063.32-260,912.94-104,185.85

Finding the Fourth Proportional to 189,063.32, 260,912.94 and 104,185.85

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Solution

The fourth proportional to 189,063.32, 260,912.94 and 104,185.85 is: 143,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,063.32 : 260,912.94 = 104,185.85 : x
  2. Step 2: Convert to fraction form
    189,063.32/260,912.94 = 104,185.85/x
  3. Step 3: Cross multiply
    189,063.32x = 260,912.94 × 104,185.85
  4. Step 4: Simplify right side
    189,063.32x = 27,183,436,429.90
  5. Step 5: Solve for x
    x = 27,183,436,429.90/189,063.32
  6. Step 6: Final answer
    x = 143,779.54

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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.