Home / 126,099.20-189,148.80-63,891.20

Finding the Fourth Proportional to 126,099.20, 189,148.80 and 63,891.20

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Solution

The fourth proportional to 126,099.20, 189,148.80 and 63,891.20 is: 95,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,099.20 : 189,148.80 = 63,891.20 : x
  2. Step 2: Convert to fraction form
    126,099.20/189,148.80 = 63,891.20/x
  3. Step 3: Cross multiply
    126,099.20x = 189,148.80 × 63,891.20
  4. Step 4: Simplify right side
    126,099.20x = 12,084,943,810.56
  5. Step 5: Solve for x
    x = 12,084,943,810.56/126,099.20
  6. Step 6: Final answer
    x = 95,836.80

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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.