Home / 120,195.36-180,243.83-53,589.94

Finding the Fourth Proportional to 120,195.36, 180,243.83 and 53,589.94

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Solution

The fourth proportional to 120,195.36, 180,243.83 and 53,589.94 is: 80,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,195.36 : 180,243.83 = 53,589.94 : x
  2. Step 2: Convert to fraction form
    120,195.36/180,243.83 = 53,589.94/x
  3. Step 3: Cross multiply
    120,195.36x = 180,243.83 × 53,589.94
  4. Step 4: Simplify right side
    120,195.36x = 9,659,255,718.44
  5. Step 5: Solve for x
    x = 9,659,255,718.44/120,195.36
  6. Step 6: Final answer
    x = 80,362.97

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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.