Home / 180,112.80-270,198.24-55,453.68

Finding the Fourth Proportional to 180,112.80, 270,198.24 and 55,453.68

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Solution

The fourth proportional to 180,112.80, 270,198.24 and 55,453.68 is: 83,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,112.80 : 270,198.24 = 55,453.68 : x
  2. Step 2: Convert to fraction form
    180,112.80/270,198.24 = 55,453.68/x
  3. Step 3: Cross multiply
    180,112.80x = 270,198.24 × 55,453.68
  4. Step 4: Simplify right side
    180,112.80x = 14,983,486,737.52
  5. Step 5: Solve for x
    x = 14,983,486,737.52/180,112.80
  6. Step 6: Final answer
    x = 83,189.46

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1.5x scale

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.