Home / 126,204.20-189,047.10-63,909.80

Finding the Fourth Proportional to 126,204.20, 189,047.10 and 63,909.80

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Solution

The fourth proportional to 126,204.20, 189,047.10 and 63,909.80 is: 95,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,204.20 : 189,047.10 = 63,909.80 : x
  2. Step 2: Convert to fraction form
    126,204.20/189,047.10 = 63,909.80/x
  3. Step 3: Cross multiply
    126,204.20x = 189,047.10 × 63,909.80
  4. Step 4: Simplify right side
    126,204.20x = 12,081,962,351.58
  5. Step 5: Solve for x
    x = 12,081,962,351.58/126,204.20
  6. Step 6: Final answer
    x = 95,733.44

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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.