Home / 120,194.99-180,243.27-53,589.57

Finding the Fourth Proportional to 120,194.99, 180,243.27 and 53,589.57

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Solution

The fourth proportional to 120,194.99, 180,243.27 and 53,589.57 is: 80,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,194.99 : 180,243.27 = 53,589.57 : x
  2. Step 2: Convert to fraction form
    120,194.99/180,243.27 = 53,589.57/x
  3. Step 3: Cross multiply
    120,194.99x = 180,243.27 × 53,589.57
  4. Step 4: Simplify right side
    120,194.99x = 9,659,159,334.69
  5. Step 5: Solve for x
    x = 9,659,159,334.69/120,194.99
  6. Step 6: Final answer
    x = 80,362.42

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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.