Home / 154,664.20-231,996.30-105,512.20

Finding the Fourth Proportional to 154,664.20, 231,996.30 and 105,512.20

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Solution

The fourth proportional to 154,664.20, 231,996.30 and 105,512.20 is: 158,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,664.20 : 231,996.30 = 105,512.20 : x
  2. Step 2: Convert to fraction form
    154,664.20/231,996.30 = 105,512.20/x
  3. Step 3: Cross multiply
    154,664.20x = 231,996.30 × 105,512.20
  4. Step 4: Simplify right side
    154,664.20x = 24,478,440,004.86
  5. Step 5: Solve for x
    x = 24,478,440,004.86/154,664.20
  6. Step 6: Final answer
    x = 158,268.30

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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.