Home / 126,203.20-189,045.60-63,908.80

Finding the Fourth Proportional to 126,203.20, 189,045.60 and 63,908.80

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Solution

The fourth proportional to 126,203.20, 189,045.60 and 63,908.80 is: 95,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,203.20 : 189,045.60 = 63,908.80 : x
  2. Step 2: Convert to fraction form
    126,203.20/189,045.60 = 63,908.80/x
  3. Step 3: Cross multiply
    126,203.20x = 189,045.60 × 63,908.80
  4. Step 4: Simplify right side
    126,203.20x = 12,081,677,441.28
  5. Step 5: Solve for x
    x = 12,081,677,441.28/126,203.20
  6. Step 6: Final answer
    x = 95,731.94

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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.