Home / 126,221.86-189,291.68-41,959.42

Finding the Fourth Proportional to 126,221.86, 189,291.68 and 41,959.42

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Solution

The fourth proportional to 126,221.86, 189,291.68 and 41,959.42 is: 62,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,221.86 : 189,291.68 = 41,959.42 : x
  2. Step 2: Convert to fraction form
    126,221.86/189,291.68 = 41,959.42/x
  3. Step 3: Cross multiply
    126,221.86x = 189,291.68 × 41,959.42
  4. Step 4: Simplify right side
    126,221.86x = 7,942,569,103.63
  5. Step 5: Solve for x
    x = 7,942,569,103.63/126,221.86
  6. Step 6: Final answer
    x = 62,925.46

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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.