Home / 126,020.20-189,030.30-63,682.60

Finding the Fourth Proportional to 126,020.20, 189,030.30 and 63,682.60

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Solution

The fourth proportional to 126,020.20, 189,030.30 and 63,682.60 is: 95,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,020.20 : 189,030.30 = 63,682.60 : x
  2. Step 2: Convert to fraction form
    126,020.20/189,030.30 = 63,682.60/x
  3. Step 3: Cross multiply
    126,020.20x = 189,030.30 × 63,682.60
  4. Step 4: Simplify right side
    126,020.20x = 12,037,940,982.78
  5. Step 5: Solve for x
    x = 12,037,940,982.78/126,020.20
  6. Step 6: Final answer
    x = 95,523.90

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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.