Finding the Fourth Proportional to 103,195.22, 154,792.84 and 68,126.68
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Solution
The fourth proportional to 103,195.22, 154,792.84 and 68,126.68 is: 102,190.03
Step by Step Solution
- Step 1: Write the proportion equation
103,195.22 : 154,792.84 = 68,126.68 : x - Step 2: Convert to fraction form
103,195.22/154,792.84 = 68,126.68/x - Step 3: Cross multiply
103,195.22x = 154,792.84 × 68,126.68 - Step 4: Simplify right side
103,195.22x = 10,545,522,276.97 - Step 5: Solve for x
x = 10,545,522,276.97/103,195.22 - Step 6: Final answer
x = 102,190.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.