Home / 102,919.30-154,340.55-40,576.90

Finding the Fourth Proportional to 102,919.30, 154,340.55 and 40,576.90

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Solution

The fourth proportional to 102,919.30, 154,340.55 and 40,576.90 is: 60,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,919.30 : 154,340.55 = 40,576.90 : x
  2. Step 2: Convert to fraction form
    102,919.30/154,340.55 = 40,576.90/x
  3. Step 3: Cross multiply
    102,919.30x = 154,340.55 × 40,576.90
  4. Step 4: Simplify right side
    102,919.30x = 6,262,661,063.30
  5. Step 5: Solve for x
    x = 6,262,661,063.30/102,919.30
  6. Step 6: Final answer
    x = 60,850.21

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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.