Finding the Fourth Proportional to 119,486.50, 164,872.07 and 68,489.84
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Solution
The fourth proportional to 119,486.50, 164,872.07 and 68,489.84 is: 94,504.92
Step by Step Solution
- Step 1: Write the proportion equation
119,486.50 : 164,872.07 = 68,489.84 : x - Step 2: Convert to fraction form
119,486.50/164,872.07 = 68,489.84/x - Step 3: Cross multiply
119,486.50x = 164,872.07 × 68,489.84 - Step 4: Simplify right side
119,486.50x = 11,292,061,694.77 - Step 5: Solve for x
x = 11,292,061,694.77/119,486.50 - Step 6: Final answer
x = 94,504.92
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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.