Home / 126,178.56-189,267.03-47,236.77

Finding the Fourth Proportional to 126,178.56, 189,267.03 and 47,236.77

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Solution

The fourth proportional to 126,178.56, 189,267.03 and 47,236.77 is: 70,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178.56 : 189,267.03 = 47,236.77 : x
  2. Step 2: Convert to fraction form
    126,178.56/189,267.03 = 47,236.77/x
  3. Step 3: Cross multiply
    126,178.56x = 189,267.03 × 47,236.77
  4. Step 4: Simplify right side
    126,178.56x = 8,940,363,164.69
  5. Step 5: Solve for x
    x = 8,940,363,164.69/126,178.56
  6. Step 6: Final answer
    x = 70,854.85

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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.