Finding the Fourth Proportional to 125,533.26, 173,234.30 and 68,940.99
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Solution
The fourth proportional to 125,533.26, 173,234.30 and 68,940.99 is: 95,137.69
Step by Step Solution
- Step 1: Write the proportion equation
125,533.26 : 173,234.30 = 68,940.99 : x - Step 2: Convert to fraction form
125,533.26/173,234.30 = 68,940.99/x - Step 3: Cross multiply
125,533.26x = 173,234.30 × 68,940.99 - Step 4: Simplify right side
125,533.26x = 11,942,943,799.25 - Step 5: Solve for x
x = 11,942,943,799.25/125,533.26 - Step 6: Final answer
x = 95,137.69
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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.