Home / 126,183.74-189,248.85-47,303.78

Finding the Fourth Proportional to 126,183.74, 189,248.85 and 47,303.78

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Solution

The fourth proportional to 126,183.74, 189,248.85 and 47,303.78 is: 70,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,183.74 : 189,248.85 = 47,303.78 : x
  2. Step 2: Convert to fraction form
    126,183.74/189,248.85 = 47,303.78/x
  3. Step 3: Cross multiply
    126,183.74x = 189,248.85 × 47,303.78
  4. Step 4: Simplify right side
    126,183.74x = 8,952,185,019.41
  5. Step 5: Solve for x
    x = 8,952,185,019.41/126,183.74
  6. Step 6: Final answer
    x = 70,945.63

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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.