Home / 126,180.74-189,244.37-47,300.78

Finding the Fourth Proportional to 126,180.74, 189,244.37 and 47,300.78

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Solution

The fourth proportional to 126,180.74, 189,244.37 and 47,300.78 is: 70,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,180.74 : 189,244.37 = 47,300.78 : x
  2. Step 2: Convert to fraction form
    126,180.74/189,244.37 = 47,300.78/x
  3. Step 3: Cross multiply
    126,180.74x = 189,244.37 × 47,300.78
  4. Step 4: Simplify right side
    126,180.74x = 8,951,405,128.88
  5. Step 5: Solve for x
    x = 8,951,405,128.88/126,180.74
  6. Step 6: Final answer
    x = 70,941.14

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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.