Finding the Fourth Proportional to 123,696.26, 170,701.16 and 67,107.63
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Solution
The fourth proportional to 123,696.26, 170,701.16 and 67,107.63 is: 92,608.70
Step by Step Solution
- Step 1: Write the proportion equation
123,696.26 : 170,701.16 = 67,107.63 : x - Step 2: Convert to fraction form
123,696.26/170,701.16 = 67,107.63/x - Step 3: Cross multiply
123,696.26x = 170,701.16 × 67,107.63 - Step 4: Simplify right side
123,696.26x = 11,455,349,950.31 - Step 5: Solve for x
x = 11,455,349,950.31/123,696.26 - Step 6: Final answer
x = 92,608.70
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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.