Home / 154,292.20-231,380.70-107,405.80

Finding the Fourth Proportional to 154,292.20, 231,380.70 and 107,405.80

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Solution

The fourth proportional to 154,292.20, 231,380.70 and 107,405.80 is: 161,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,292.20 : 231,380.70 = 107,405.80 : x
  2. Step 2: Convert to fraction form
    154,292.20/231,380.70 = 107,405.80/x
  3. Step 3: Cross multiply
    154,292.20x = 231,380.70 × 107,405.80
  4. Step 4: Simplify right side
    154,292.20x = 24,851,629,188.06
  5. Step 5: Solve for x
    x = 24,851,629,188.06/154,292.20
  6. Step 6: Final answer
    x = 161,068.60

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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.