Finding the Fourth Proportional to 127,696.68, 176,224.26 and 71,113.32
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Solution
The fourth proportional to 127,696.68, 176,224.26 and 71,113.32 is: 98,137.96
Step by Step Solution
- Step 1: Write the proportion equation
127,696.68 : 176,224.26 = 71,113.32 : x - Step 2: Convert to fraction form
127,696.68/176,224.26 = 71,113.32/x - Step 3: Cross multiply
127,696.68x = 176,224.26 × 71,113.32 - Step 4: Simplify right side
127,696.68x = 12,531,892,193.14 - Step 5: Solve for x
x = 12,531,892,193.14/127,696.68 - Step 6: Final answer
x = 98,137.96
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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.