Home / 126,124.12-189,309.30-104,161.24

Finding the Fourth Proportional to 126,124.12, 189,309.30 and 104,161.24

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Solution

The fourth proportional to 126,124.12, 189,309.30 and 104,161.24 is: 156,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,124.12 : 189,309.30 = 104,161.24 : x
  2. Step 2: Convert to fraction form
    126,124.12/189,309.30 = 104,161.24/x
  3. Step 3: Cross multiply
    126,124.12x = 189,309.30 × 104,161.24
  4. Step 4: Simplify right side
    126,124.12x = 19,718,691,431.53
  5. Step 5: Solve for x
    x = 19,718,691,431.53/126,124.12
  6. Step 6: Final answer
    x = 156,343.54

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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.