Finding the Fourth Proportional to 127,084.91, 175,375.58 and 68,940.81
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Solution
The fourth proportional to 127,084.91, 175,375.58 and 68,940.81 is: 95,137.45
Step by Step Solution
- Step 1: Write the proportion equation
127,084.91 : 175,375.58 = 68,940.81 : x - Step 2: Convert to fraction form
127,084.91/175,375.58 = 68,940.81/x - Step 3: Cross multiply
127,084.91x = 175,375.58 × 68,940.81 - Step 4: Simplify right side
127,084.91x = 12,090,534,194.72 - Step 5: Solve for x
x = 12,090,534,194.72/127,084.91 - Step 6: Final answer
x = 95,137.45
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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.