Home / 120,241.26-180,378.27-50,104.17

Finding the Fourth Proportional to 120,241.26, 180,378.27 and 50,104.17

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Solution

The fourth proportional to 120,241.26, 180,378.27 and 50,104.17 is: 75,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,241.26 : 180,378.27 = 50,104.17 : x
  2. Step 2: Convert to fraction form
    120,241.26/180,378.27 = 50,104.17/x
  3. Step 3: Cross multiply
    120,241.26x = 180,378.27 × 50,104.17
  4. Step 4: Simplify right side
    120,241.26x = 9,037,703,504.39
  5. Step 5: Solve for x
    x = 9,037,703,504.39/120,241.26
  6. Step 6: Final answer
    x = 75,163.08

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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.