Home / 126,082.56-189,181.24-47,202.92

Finding the Fourth Proportional to 126,082.56, 189,181.24 and 47,202.92

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Solution

The fourth proportional to 126,082.56, 189,181.24 and 47,202.92 is: 70,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,082.56 : 189,181.24 = 47,202.92 : x
  2. Step 2: Convert to fraction form
    126,082.56/189,181.24 = 47,202.92/x
  3. Step 3: Cross multiply
    126,082.56x = 189,181.24 × 47,202.92
  4. Step 4: Simplify right side
    126,082.56x = 8,929,906,937.22
  5. Step 5: Solve for x
    x = 8,929,906,937.22/126,082.56
  6. Step 6: Final answer
    x = 70,825.87

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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.