Home / 126,660.33-189,992.79-42,404.76

Finding the Fourth Proportional to 126,660.33, 189,992.79 and 42,404.76

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Solution

The fourth proportional to 126,660.33, 189,992.79 and 42,404.76 is: 63,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,660.33 : 189,992.79 = 42,404.76 : x
  2. Step 2: Convert to fraction form
    126,660.33/189,992.79 = 42,404.76/x
  3. Step 3: Cross multiply
    126,660.33x = 189,992.79 × 42,404.76
  4. Step 4: Simplify right side
    126,660.33x = 8,056,598,661.68
  5. Step 5: Solve for x
    x = 8,056,598,661.68/126,660.33
  6. Step 6: Final answer
    x = 63,607.91

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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.