Finding the Fourth Proportional to 127,508.73, 175,863.20 and 82,194.09
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Solution
The fourth proportional to 127,508.73, 175,863.20 and 82,194.09 is: 113,364.12
Step by Step Solution
- Step 1: Write the proportion equation
127,508.73 : 175,863.20 = 82,194.09 : x - Step 2: Convert to fraction form
127,508.73/175,863.20 = 82,194.09/x - Step 3: Cross multiply
127,508.73x = 175,863.20 × 82,194.09 - Step 4: Simplify right side
127,508.73x = 14,454,915,277.52 - Step 5: Solve for x
x = 14,454,915,277.52/127,508.73 - Step 6: Final answer
x = 113,364.12
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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.