Home / 126,557.22-189,763.94-51,589.56

Finding the Fourth Proportional to 126,557.22, 189,763.94 and 51,589.56

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Solution

The fourth proportional to 126,557.22, 189,763.94 and 51,589.56 is: 77,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,557.22 : 189,763.94 = 51,589.56 : x
  2. Step 2: Convert to fraction form
    126,557.22/189,763.94 = 51,589.56/x
  3. Step 3: Cross multiply
    126,557.22x = 189,763.94 × 51,589.56
  4. Step 4: Simplify right side
    126,557.22x = 9,789,838,168.47
  5. Step 5: Solve for x
    x = 9,789,838,168.47/126,557.22
  6. Step 6: Final answer
    x = 77,355.03

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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.