Home / 126,004.96-189,039.96-47,119.76

Finding the Fourth Proportional to 126,004.96, 189,039.96 and 47,119.76

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Solution

The fourth proportional to 126,004.96, 189,039.96 and 47,119.76 is: 70,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,004.96 : 189,039.96 = 47,119.76 : x
  2. Step 2: Convert to fraction form
    126,004.96/189,039.96 = 47,119.76/x
  3. Step 3: Cross multiply
    126,004.96x = 189,039.96 × 47,119.76
  4. Step 4: Simplify right side
    126,004.96x = 8,907,517,545.61
  5. Step 5: Solve for x
    x = 8,907,517,545.61/126,004.96
  6. Step 6: Final answer
    x = 70,691.80

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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.