Finding the Fourth Proportional to 132,639.26, 183,042.16 and 73,023.26
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Solution
The fourth proportional to 132,639.26, 183,042.16 and 73,023.26 is: 100,772.09
Step by Step Solution
- Step 1: Write the proportion equation
132,639.26 : 183,042.16 = 73,023.26 : x - Step 2: Convert to fraction form
132,639.26/183,042.16 = 73,023.26/x - Step 3: Cross multiply
132,639.26x = 183,042.16 × 73,023.26 - Step 4: Simplify right side
132,639.26x = 13,366,335,240.64 - Step 5: Solve for x
x = 13,366,335,240.64/132,639.26 - Step 6: Final answer
x = 100,772.09
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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.