Home / 154,494.20-231,741.30-109,879.40

Finding the Fourth Proportional to 154,494.20, 231,741.30 and 109,879.40

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Solution

The fourth proportional to 154,494.20, 231,741.30 and 109,879.40 is: 164,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,494.20 : 231,741.30 = 109,879.40 : x
  2. Step 2: Convert to fraction form
    154,494.20/231,741.30 = 109,879.40/x
  3. Step 3: Cross multiply
    154,494.20x = 231,741.30 × 109,879.40
  4. Step 4: Simplify right side
    154,494.20x = 25,463,594,999.22
  5. Step 5: Solve for x
    x = 25,463,594,999.22/154,494.20
  6. Step 6: Final answer
    x = 164,819.10

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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.