Finding the Fourth Proportional to 125,528.72, 173,231.00 and 68,940.09
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Solution
The fourth proportional to 125,528.72, 173,231.00 and 68,940.09 is: 95,138.08
Step by Step Solution
- Step 1: Write the proportion equation
125,528.72 : 173,231.00 = 68,940.09 : x - Step 2: Convert to fraction form
125,528.72/173,231.00 = 68,940.09/x - Step 3: Cross multiply
125,528.72x = 173,231.00 × 68,940.09 - Step 4: Simplify right side
125,528.72x = 11,942,560,386.09 - Step 5: Solve for x
x = 11,942,560,386.09/125,528.72 - Step 6: Final answer
x = 95,138.08
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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.