Finding the Fourth Proportional to 125,694.75, 173,459.97 and 69,107.34
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Solution
The fourth proportional to 125,694.75, 173,459.97 and 69,107.34 is: 95,368.80
Step by Step Solution
- Step 1: Write the proportion equation
125,694.75 : 173,459.97 = 69,107.34 : x - Step 2: Convert to fraction form
125,694.75/173,459.97 = 69,107.34/x - Step 3: Cross multiply
125,694.75x = 173,459.97 × 69,107.34 - Step 4: Simplify right side
125,694.75x = 11,987,357,123.18 - Step 5: Solve for x
x = 11,987,357,123.18/125,694.75 - Step 6: Final answer
x = 95,368.80
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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.