Home / 154,224.40-231,336.60-130,604.80

Finding the Fourth Proportional to 154,224.40, 231,336.60 and 130,604.80

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Solution

The fourth proportional to 154,224.40, 231,336.60 and 130,604.80 is: 195,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,224.40 : 231,336.60 = 130,604.80 : x
  2. Step 2: Convert to fraction form
    154,224.40/231,336.60 = 130,604.80/x
  3. Step 3: Cross multiply
    154,224.40x = 231,336.60 × 130,604.80
  4. Step 4: Simplify right side
    154,224.40x = 30,213,670,375.68
  5. Step 5: Solve for x
    x = 30,213,670,375.68/154,224.40
  6. Step 6: Final answer
    x = 195,907.20

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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.