Home / 126,334.62-189,600.94-88,135.48

Finding the Fourth Proportional to 126,334.62, 189,600.94 and 88,135.48

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Solution

The fourth proportional to 126,334.62, 189,600.94 and 88,135.48 is: 132,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,334.62 : 189,600.94 = 88,135.48 : x
  2. Step 2: Convert to fraction form
    126,334.62/189,600.94 = 88,135.48/x
  3. Step 3: Cross multiply
    126,334.62x = 189,600.94 × 88,135.48
  4. Step 4: Simplify right side
    126,334.62x = 16,710,569,855.35
  5. Step 5: Solve for x
    x = 16,710,569,855.35/126,334.62
  6. Step 6: Final answer
    x = 132,272.29

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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.