Home / 126,134.28-189,202.11-37,388.55

Finding the Fourth Proportional to 126,134.28, 189,202.11 and 37,388.55

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Solution

The fourth proportional to 126,134.28, 189,202.11 and 37,388.55 is: 56,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,134.28 : 189,202.11 = 37,388.55 : x
  2. Step 2: Convert to fraction form
    126,134.28/189,202.11 = 37,388.55/x
  3. Step 3: Cross multiply
    126,134.28x = 189,202.11 × 37,388.55
  4. Step 4: Simplify right side
    126,134.28x = 7,073,992,549.84
  5. Step 5: Solve for x
    x = 7,073,992,549.84/126,134.28
  6. Step 6: Final answer
    x = 56,083.03

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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.