Home / 126,380.32-174,403.44-69,790.56

Finding the Fourth Proportional to 126,380.32, 174,403.44 and 69,790.56

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Solution

The fourth proportional to 126,380.32, 174,403.44 and 69,790.56 is: 96,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,380.32 : 174,403.44 = 69,790.56 : x
  2. Step 2: Convert to fraction form
    126,380.32/174,403.44 = 69,790.56/x
  3. Step 3: Cross multiply
    126,380.32x = 174,403.44 × 69,790.56
  4. Step 4: Simplify right side
    126,380.32x = 12,171,713,743.53
  5. Step 5: Solve for x
    x = 12,171,713,743.53/126,380.32
  6. Step 6: Final answer
    x = 96,310.20

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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.