Home / 198,171.91-273,704.37-130,491.45

Finding the Fourth Proportional to 198,171.91, 273,704.37 and 130,491.45

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Solution

The fourth proportional to 198,171.91, 273,704.37 and 130,491.45 is: 180,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,171.91 : 273,704.37 = 130,491.45 : x
  2. Step 2: Convert to fraction form
    198,171.91/273,704.37 = 130,491.45/x
  3. Step 3: Cross multiply
    198,171.91x = 273,704.37 × 130,491.45
  4. Step 4: Simplify right side
    198,171.91x = 35,716,080,112.64
  5. Step 5: Solve for x
    x = 35,716,080,112.64/198,171.91
  6. Step 6: Final answer
    x = 180,227.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.