Home / 126,382.58-189,632.48-55,295.84

Finding the Fourth Proportional to 126,382.58, 189,632.48 and 55,295.84

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Solution

The fourth proportional to 126,382.58, 189,632.48 and 55,295.84 is: 82,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,382.58 : 189,632.48 = 55,295.84 : x
  2. Step 2: Convert to fraction form
    126,382.58/189,632.48 = 55,295.84/x
  3. Step 3: Cross multiply
    126,382.58x = 189,632.48 × 55,295.84
  4. Step 4: Simplify right side
    126,382.58x = 10,485,887,470.49
  5. Step 5: Solve for x
    x = 10,485,887,470.49/126,382.58
  6. Step 6: Final answer
    x = 82,969.41

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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.