Finding the Fourth Proportional to 125,439.64, 173,107.26 and 68,851.48
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Solution
The fourth proportional to 125,439.64, 173,107.26 and 68,851.48 is: 95,015.35
Step by Step Solution
- Step 1: Write the proportion equation
125,439.64 : 173,107.26 = 68,851.48 : x - Step 2: Convert to fraction form
125,439.64/173,107.26 = 68,851.48/x - Step 3: Cross multiply
125,439.64x = 173,107.26 × 68,851.48 - Step 4: Simplify right side
125,439.64x = 11,918,691,049.74 - Step 5: Solve for x
x = 11,918,691,049.74/125,439.64 - Step 6: Final answer
x = 95,015.35
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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.