Home / 126,113.56-189,170.03-41,880.04

Finding the Fourth Proportional to 126,113.56, 189,170.03 and 41,880.04

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Solution

The fourth proportional to 126,113.56, 189,170.03 and 41,880.04 is: 62,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.56 : 189,170.03 = 41,880.04 : x
  2. Step 2: Convert to fraction form
    126,113.56/189,170.03 = 41,880.04/x
  3. Step 3: Cross multiply
    126,113.56x = 189,170.03 × 41,880.04
  4. Step 4: Simplify right side
    126,113.56x = 7,922,448,054.98
  5. Step 5: Solve for x
    x = 7,922,448,054.98/126,113.56
  6. Step 6: Final answer
    x = 62,819.96

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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.