Home / 126,209.86-189,243.78-41,924.92

Finding the Fourth Proportional to 126,209.86, 189,243.78 and 41,924.92

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Solution

The fourth proportional to 126,209.86, 189,243.78 and 41,924.92 is: 62,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,209.86 : 189,243.78 = 41,924.92 : x
  2. Step 2: Convert to fraction form
    126,209.86/189,243.78 = 41,924.92/x
  3. Step 3: Cross multiply
    126,209.86x = 189,243.78 × 41,924.92
  4. Step 4: Simplify right side
    126,209.86x = 7,934,030,337.00
  5. Step 5: Solve for x
    x = 7,934,030,337.00/126,209.86
  6. Step 6: Final answer
    x = 62,863.79

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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.