Home / 126,249.18-174,227.51-69,664.20

Finding the Fourth Proportional to 126,249.18, 174,227.51 and 69,664.20

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Solution

The fourth proportional to 126,249.18, 174,227.51 and 69,664.20 is: 96,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.18 : 174,227.51 = 69,664.20 : x
  2. Step 2: Convert to fraction form
    126,249.18/174,227.51 = 69,664.20/x
  3. Step 3: Cross multiply
    126,249.18x = 174,227.51 × 69,664.20
  4. Step 4: Simplify right side
    126,249.18x = 12,137,420,102.14
  5. Step 5: Solve for x
    x = 12,137,420,102.14/126,249.18
  6. Step 6: Final answer
    x = 96,138.61

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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.