Home / 126,284.28-189,376.92-47,355.48

Finding the Fourth Proportional to 126,284.28, 189,376.92 and 47,355.48

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Solution

The fourth proportional to 126,284.28, 189,376.92 and 47,355.48 is: 71,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,284.28 : 189,376.92 = 47,355.48 : x
  2. Step 2: Convert to fraction form
    126,284.28/189,376.92 = 47,355.48/x
  3. Step 3: Cross multiply
    126,284.28x = 189,376.92 × 47,355.48
  4. Step 4: Simplify right side
    126,284.28x = 8,968,034,947.52
  5. Step 5: Solve for x
    x = 8,968,034,947.52/126,284.28
  6. Step 6: Final answer
    x = 71,014.66

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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.