Home / 126,100.48-174,018.60-69,512.80

Finding the Fourth Proportional to 126,100.48, 174,018.60 and 69,512.80

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Solution

The fourth proportional to 126,100.48, 174,018.60 and 69,512.80 is: 95,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,100.48 : 174,018.60 = 69,512.80 : x
  2. Step 2: Convert to fraction form
    126,100.48/174,018.60 = 69,512.80/x
  3. Step 3: Cross multiply
    126,100.48x = 174,018.60 × 69,512.80
  4. Step 4: Simplify right side
    126,100.48x = 12,096,520,138.08
  5. Step 5: Solve for x
    x = 12,096,520,138.08/126,100.48
  6. Step 6: Final answer
    x = 95,927.63

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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.