Finding the Fourth Proportional to 125,241.28, 172,832.97 and 68,651.44
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Solution
The fourth proportional to 125,241.28, 172,832.97 and 68,651.44 is: 94,738.99
Step by Step Solution
- Step 1: Write the proportion equation
125,241.28 : 172,832.97 = 68,651.44 : x - Step 2: Convert to fraction form
125,241.28/172,832.97 = 68,651.44/x - Step 3: Cross multiply
125,241.28x = 172,832.97 × 68,651.44 - Step 4: Simplify right side
125,241.28x = 11,865,232,269.98 - Step 5: Solve for x
x = 11,865,232,269.98/125,241.28 - Step 6: Final answer
x = 94,738.99
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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.