Home / 154,297.68-231,072.78-106,779.62

Finding the Fourth Proportional to 154,297.68, 231,072.78 and 106,779.62

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Solution

The fourth proportional to 154,297.68, 231,072.78 and 106,779.62 is: 159,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,297.68 : 231,072.78 = 106,779.62 : x
  2. Step 2: Convert to fraction form
    154,297.68/231,072.78 = 106,779.62/x
  3. Step 3: Cross multiply
    154,297.68x = 231,072.78 × 106,779.62
  4. Step 4: Simplify right side
    154,297.68x = 24,673,863,640.74
  5. Step 5: Solve for x
    x = 24,673,863,640.74/154,297.68
  6. Step 6: Final answer
    x = 159,910.79

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1.5x scale

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.