Finding the Fourth Proportional to 127,684.92, 176,203.98 and 71,092.92
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Solution
The fourth proportional to 127,684.92, 176,203.98 and 71,092.92 is: 98,107.56
Step by Step Solution
- Step 1: Write the proportion equation
127,684.92 : 176,203.98 = 71,092.92 : x - Step 2: Convert to fraction form
127,684.92/176,203.98 = 71,092.92/x - Step 3: Cross multiply
127,684.92x = 176,203.98 × 71,092.92 - Step 4: Simplify right side
127,684.92x = 12,526,855,453.82 - Step 5: Solve for x
x = 12,526,855,453.82/127,684.92 - Step 6: Final answer
x = 98,107.56
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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.