Home / 189,021.70-260,847.03-104,141.80

Finding the Fourth Proportional to 189,021.70, 260,847.03 and 104,141.80

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Solution

The fourth proportional to 189,021.70, 260,847.03 and 104,141.80 is: 143,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,021.70 : 260,847.03 = 104,141.80 : x
  2. Step 2: Convert to fraction form
    189,021.70/260,847.03 = 104,141.80/x
  3. Step 3: Cross multiply
    189,021.70x = 260,847.03 × 104,141.80
  4. Step 4: Simplify right side
    189,021.70x = 27,165,079,228.85
  5. Step 5: Solve for x
    x = 27,165,079,228.85/189,021.70
  6. Step 6: Final answer
    x = 143,714.08

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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.