Home / 126,614.04-189,850.94-51,786.73

Finding the Fourth Proportional to 126,614.04, 189,850.94 and 51,786.73

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Solution

The fourth proportional to 126,614.04, 189,850.94 and 51,786.73 is: 77,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,614.04 : 189,850.94 = 51,786.73 : x
  2. Step 2: Convert to fraction form
    126,614.04/189,850.94 = 51,786.73/x
  3. Step 3: Cross multiply
    126,614.04x = 189,850.94 × 51,786.73
  4. Step 4: Simplify right side
    126,614.04x = 9,831,759,494.10
  5. Step 5: Solve for x
    x = 9,831,759,494.10/126,614.04
  6. Step 6: Final answer
    x = 77,651.42

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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.