Home / 154,682.29-231,990-54,845.74

Finding the Fourth Proportional to 154,682.29, 231,990 and 54,845.74

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Solution

The fourth proportional to 154,682.29, 231,990 and 54,845.74 is: 82,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,682.29 : 231,990 = 54,845.74 : x
  2. Step 2: Convert to fraction form
    154,682.29/231,990 = 54,845.74/x
  3. Step 3: Cross multiply
    154,682.29x = 231,990 × 54,845.74
  4. Step 4: Simplify right side
    154,682.29x = 12,723,663,222.60
  5. Step 5: Solve for x
    x = 12,723,663,222.60/154,682.29
  6. Step 6: Final answer
    x = 82,256.75

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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.