Home / 126,273.02-174,257.78-68,912.80

Finding the Fourth Proportional to 126,273.02, 174,257.78 and 68,912.80

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Solution

The fourth proportional to 126,273.02, 174,257.78 and 68,912.80 is: 95,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,273.02 : 174,257.78 = 68,912.80 : x
  2. Step 2: Convert to fraction form
    126,273.02/174,257.78 = 68,912.80/x
  3. Step 3: Cross multiply
    126,273.02x = 174,257.78 × 68,912.80
  4. Step 4: Simplify right side
    126,273.02x = 12,008,591,541.58
  5. Step 5: Solve for x
    x = 12,008,591,541.58/126,273.02
  6. Step 6: Final answer
    x = 95,100.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.