Home / 126,137.35-189,205.17-37,391.32

Finding the Fourth Proportional to 126,137.35, 189,205.17 and 37,391.32

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Solution

The fourth proportional to 126,137.35, 189,205.17 and 37,391.32 is: 56,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,137.35 : 189,205.17 = 37,391.32 : x
  2. Step 2: Convert to fraction form
    126,137.35/189,205.17 = 37,391.32/x
  3. Step 3: Cross multiply
    126,137.35x = 189,205.17 × 37,391.32
  4. Step 4: Simplify right side
    126,137.35x = 7,074,631,057.12
  5. Step 5: Solve for x
    x = 7,074,631,057.12/126,137.35
  6. Step 6: Final answer
    x = 56,086.73

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1.5x scale

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.