Finding the Fourth Proportional to 125,915.26, 173,757.79 and 69,322.99
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Solution
The fourth proportional to 125,915.26, 173,757.79 and 69,322.99 is: 95,662.83
Step by Step Solution
- Step 1: Write the proportion equation
125,915.26 : 173,757.79 = 69,322.99 : x - Step 2: Convert to fraction form
125,915.26/173,757.79 = 69,322.99/x - Step 3: Cross multiply
125,915.26x = 173,757.79 × 69,322.99 - Step 4: Simplify right side
125,915.26x = 12,045,409,538.59 - Step 5: Solve for x
x = 12,045,409,538.59/125,915.26 - Step 6: Final answer
x = 95,662.83
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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.