Home / 154,412.20-231,704.70-65,650.60

Finding the Fourth Proportional to 154,412.20, 231,704.70 and 65,650.60

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Solution

The fourth proportional to 154,412.20, 231,704.70 and 65,650.60 is: 98,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412.20 : 231,704.70 = 65,650.60 : x
  2. Step 2: Convert to fraction form
    154,412.20/231,704.70 = 65,650.60/x
  3. Step 3: Cross multiply
    154,412.20x = 231,704.70 × 65,650.60
  4. Step 4: Simplify right side
    154,412.20x = 15,211,552,577.82
  5. Step 5: Solve for x
    x = 15,211,552,577.82/154,412.20
  6. Step 6: Final answer
    x = 98,512.63

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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.