Home / 126,299.25-174,230.09-88,138.83

Finding the Fourth Proportional to 126,299.25, 174,230.09 and 88,138.83

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Solution

The fourth proportional to 126,299.25, 174,230.09 and 88,138.83 is: 121,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,299.25 : 174,230.09 = 88,138.83 : x
  2. Step 2: Convert to fraction form
    126,299.25/174,230.09 = 88,138.83/x
  3. Step 3: Cross multiply
    126,299.25x = 174,230.09 × 88,138.83
  4. Step 4: Simplify right side
    126,299.25x = 15,356,436,826.58
  5. Step 5: Solve for x
    x = 15,356,436,826.58/126,299.25
  6. Step 6: Final answer
    x = 121,587.71

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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.