Home / 180,336.89-270,529.92-75,131.25

Finding the Fourth Proportional to 180,336.89, 270,529.92 and 75,131.25

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Solution

The fourth proportional to 180,336.89, 270,529.92 and 75,131.25 is: 112,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,336.89 : 270,529.92 = 75,131.25 : x
  2. Step 2: Convert to fraction form
    180,336.89/270,529.92 = 75,131.25/x
  3. Step 3: Cross multiply
    180,336.89x = 270,529.92 × 75,131.25
  4. Step 4: Simplify right side
    180,336.89x = 20,325,251,052
  5. Step 5: Solve for x
    x = 20,325,251,052/180,336.89
  6. Step 6: Final answer
    x = 112,707.12

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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.