Home / 126,356.09-189,374.96-110,523.42

Finding the Fourth Proportional to 126,356.09, 189,374.96 and 110,523.42

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Solution

The fourth proportional to 126,356.09, 189,374.96 and 110,523.42 is: 165,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,356.09 : 189,374.96 = 110,523.42 : x
  2. Step 2: Convert to fraction form
    126,356.09/189,374.96 = 110,523.42/x
  3. Step 3: Cross multiply
    126,356.09x = 189,374.96 × 110,523.42
  4. Step 4: Simplify right side
    126,356.09x = 20,930,368,517.87
  5. Step 5: Solve for x
    x = 20,930,368,517.87/126,356.09
  6. Step 6: Final answer
    x = 165,645.91

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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.