Finding the Fourth Proportional to 104,874.09, 157,250.39 and 71,634.32
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Solution
The fourth proportional to 104,874.09, 157,250.39 and 71,634.32 is: 107,409.99
Step by Step Solution
- Step 1: Write the proportion equation
104,874.09 : 157,250.39 = 71,634.32 : x - Step 2: Convert to fraction form
104,874.09/157,250.39 = 71,634.32/x - Step 3: Cross multiply
104,874.09x = 157,250.39 × 71,634.32 - Step 4: Simplify right side
104,874.09x = 11,264,524,792.34 - Step 5: Solve for x
x = 11,264,524,792.34/104,874.09 - Step 6: Final answer
x = 107,409.99
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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.