Home / 102,876.94-154,175.29-57,919.76

Finding the Fourth Proportional to 102,876.94, 154,175.29 and 57,919.76

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Solution

The fourth proportional to 102,876.94, 154,175.29 and 57,919.76 is: 86,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,876.94 : 154,175.29 = 57,919.76 : x
  2. Step 2: Convert to fraction form
    102,876.94/154,175.29 = 57,919.76/x
  3. Step 3: Cross multiply
    102,876.94x = 154,175.29 × 57,919.76
  4. Step 4: Simplify right side
    102,876.94x = 8,929,795,794.73
  5. Step 5: Solve for x
    x = 8,929,795,794.73/102,876.94
  6. Step 6: Final answer
    x = 86,800.75

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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.