Home / 154,005.20-231,088.76-109,314.96

Finding the Fourth Proportional to 154,005.20, 231,088.76 and 109,314.96

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Solution

The fourth proportional to 154,005.20, 231,088.76 and 109,314.96 is: 164,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,005.20 : 231,088.76 = 109,314.96 : x
  2. Step 2: Convert to fraction form
    154,005.20/231,088.76 = 109,314.96/x
  3. Step 3: Cross multiply
    154,005.20x = 231,088.76 × 109,314.96
  4. Step 4: Simplify right side
    154,005.20x = 25,261,458,555.85
  5. Step 5: Solve for x
    x = 25,261,458,555.85/154,005.20
  6. Step 6: Final answer
    x = 164,029.91

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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.