Home / 126,906.20-190,272.90-48,008.60

Finding the Fourth Proportional to 126,906.20, 190,272.90 and 48,008.60

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Solution

The fourth proportional to 126,906.20, 190,272.90 and 48,008.60 is: 71,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,906.20 : 190,272.90 = 48,008.60 : x
  2. Step 2: Convert to fraction form
    126,906.20/190,272.90 = 48,008.60/x
  3. Step 3: Cross multiply
    126,906.20x = 190,272.90 × 48,008.60
  4. Step 4: Simplify right side
    126,906.20x = 9,134,735,546.94
  5. Step 5: Solve for x
    x = 9,134,735,546.94/126,906.20
  6. Step 6: Final answer
    x = 71,980.21

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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.