Finding the Fourth Proportional to 127,961.75, 176,643.84 and 82,661.82
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Solution
The fourth proportional to 127,961.75, 176,643.84 and 82,661.82 is: 114,109.90
Step by Step Solution
- Step 1: Write the proportion equation
127,961.75 : 176,643.84 = 82,661.82 : x - Step 2: Convert to fraction form
127,961.75/176,643.84 = 82,661.82/x - Step 3: Cross multiply
127,961.75x = 176,643.84 × 82,661.82 - Step 4: Simplify right side
127,961.75x = 14,601,701,306.19 - Step 5: Solve for x
x = 14,601,701,306.19/127,961.75 - Step 6: Final answer
x = 114,109.90
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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.