Finding the Fourth Proportional to 125,651.38, 173,400.24 and 68,290.70
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Solution
The fourth proportional to 125,651.38, 173,400.24 and 68,290.70 is: 94,241.89
Step by Step Solution
- Step 1: Write the proportion equation
125,651.38 : 173,400.24 = 68,290.70 : x - Step 2: Convert to fraction form
125,651.38/173,400.24 = 68,290.70/x - Step 3: Cross multiply
125,651.38x = 173,400.24 × 68,290.70 - Step 4: Simplify right side
125,651.38x = 11,841,623,769.77 - Step 5: Solve for x
x = 11,841,623,769.77/125,651.38 - Step 6: Final answer
x = 94,241.89
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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.