Finding the Fourth Proportional to 93,198.71, 139,659.83 and 68,453.75
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Solution
The fourth proportional to 93,198.71, 139,659.83 and 68,453.75 is: 102,579.09
Step by Step Solution
- Step 1: Write the proportion equation
93,198.71 : 139,659.83 = 68,453.75 : x - Step 2: Convert to fraction form
93,198.71/139,659.83 = 68,453.75/x - Step 3: Cross multiply
93,198.71x = 139,659.83 × 68,453.75 - Step 4: Simplify right side
93,198.71x = 9,560,239,351.44 - Step 5: Solve for x
x = 9,560,239,351.44/93,198.71 - Step 6: Final answer
x = 102,579.09
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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.