Home / 126,239.92-189,327.12-37,472.56

Finding the Fourth Proportional to 126,239.92, 189,327.12 and 37,472.56

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Solution

The fourth proportional to 126,239.92, 189,327.12 and 37,472.56 is: 56,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,239.92 : 189,327.12 = 37,472.56 : x
  2. Step 2: Convert to fraction form
    126,239.92/189,327.12 = 37,472.56/x
  3. Step 3: Cross multiply
    126,239.92x = 189,327.12 × 37,472.56
  4. Step 4: Simplify right side
    126,239.92x = 7,094,571,863.83
  5. Step 5: Solve for x
    x = 7,094,571,863.83/126,239.92
  6. Step 6: Final answer
    x = 56,199.12

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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.