Home / 126,163.83-189,279.77-41,937.60

Finding the Fourth Proportional to 126,163.83, 189,279.77 and 41,937.60

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Solution

The fourth proportional to 126,163.83, 189,279.77 and 41,937.60 is: 62,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,163.83 : 189,279.77 = 41,937.60 : x
  2. Step 2: Convert to fraction form
    126,163.83/189,279.77 = 41,937.60/x
  3. Step 3: Cross multiply
    126,163.83x = 189,279.77 × 41,937.60
  4. Step 4: Simplify right side
    126,163.83x = 7,937,939,072.66
  5. Step 5: Solve for x
    x = 7,937,939,072.66/126,163.83
  6. Step 6: Final answer
    x = 62,917.71

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1.5x scale

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.