Home / 126,133.20-188,940.60-63,838.80

Finding the Fourth Proportional to 126,133.20, 188,940.60 and 63,838.80

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Solution

The fourth proportional to 126,133.20, 188,940.60 and 63,838.80 is: 95,627.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,133.20 : 188,940.60 = 63,838.80 : x
  2. Step 2: Convert to fraction form
    126,133.20/188,940.60 = 63,838.80/x
  3. Step 3: Cross multiply
    126,133.20x = 188,940.60 × 63,838.80
  4. Step 4: Simplify right side
    126,133.20x = 12,061,741,175.28
  5. Step 5: Solve for x
    x = 12,061,741,175.28/126,133.20
  6. Step 6: Final answer
    x = 95,627.01

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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.