Home / 104,974.70-144,861.41-57,227.09

Finding the Fourth Proportional to 104,974.70, 144,861.41 and 57,227.09

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Solution

The fourth proportional to 104,974.70, 144,861.41 and 57,227.09 is: 78,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,974.70 : 144,861.41 = 57,227.09 : x
  2. Step 2: Convert to fraction form
    104,974.70/144,861.41 = 57,227.09/x
  3. Step 3: Cross multiply
    104,974.70x = 144,861.41 × 57,227.09
  4. Step 4: Simplify right side
    104,974.70x = 8,289,996,366.36
  5. Step 5: Solve for x
    x = 8,289,996,366.36/104,974.70
  6. Step 6: Final answer
    x = 78,971.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.