Home / 126,037.96-189,034.86-47,135.86

Finding the Fourth Proportional to 126,037.96, 189,034.86 and 47,135.86

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Solution

The fourth proportional to 126,037.96, 189,034.86 and 47,135.86 is: 70,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,037.96 : 189,034.86 = 47,135.86 : x
  2. Step 2: Convert to fraction form
    126,037.96/189,034.86 = 47,135.86/x
  3. Step 3: Cross multiply
    126,037.96x = 189,034.86 × 47,135.86
  4. Step 4: Simplify right side
    126,037.96x = 8,910,320,696.08
  5. Step 5: Solve for x
    x = 8,910,320,696.08/126,037.96
  6. Step 6: Final answer
    x = 70,695.53

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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.