Home / 126,044.08-189,065.60-51,163.59

Finding the Fourth Proportional to 126,044.08, 189,065.60 and 51,163.59

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Solution

The fourth proportional to 126,044.08, 189,065.60 and 51,163.59 is: 76,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,044.08 : 189,065.60 = 51,163.59 : x
  2. Step 2: Convert to fraction form
    126,044.08/189,065.60 = 51,163.59/x
  3. Step 3: Cross multiply
    126,044.08x = 189,065.60 × 51,163.59
  4. Step 4: Simplify right side
    126,044.08x = 9,673,274,969.41
  5. Step 5: Solve for x
    x = 9,673,274,969.41/126,044.08
  6. Step 6: Final answer
    x = 76,745.18

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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.