Home / 126,614.00-189,850.89-51,786.69

Finding the Fourth Proportional to 126,614.00, 189,850.89 and 51,786.69

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Solution

The fourth proportional to 126,614.00, 189,850.89 and 51,786.69 is: 77,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,614.00 : 189,850.89 = 51,786.69 : x
  2. Step 2: Convert to fraction form
    126,614.00/189,850.89 = 51,786.69/x
  3. Step 3: Cross multiply
    126,614.00x = 189,850.89 × 51,786.69
  4. Step 4: Simplify right side
    126,614.00x = 9,831,749,930.98
  5. Step 5: Solve for x
    x = 9,831,749,930.98/126,614.00
  6. Step 6: Final answer
    x = 77,651.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.