Home / 126,169.88-189,247.38-47,277.50

Finding the Fourth Proportional to 126,169.88, 189,247.38 and 47,277.50

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Solution

The fourth proportional to 126,169.88, 189,247.38 and 47,277.50 is: 70,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,169.88 : 189,247.38 = 47,277.50 : x
  2. Step 2: Convert to fraction form
    126,169.88/189,247.38 = 47,277.50/x
  3. Step 3: Cross multiply
    126,169.88x = 189,247.38 × 47,277.50
  4. Step 4: Simplify right side
    126,169.88x = 8,947,143,007.95
  5. Step 5: Solve for x
    x = 8,947,143,007.95/126,169.88
  6. Step 6: Final answer
    x = 70,913.46

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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.