Finding the Fourth Proportional to 119,211.75, 164,534.09 and 68,910.75
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Solution
The fourth proportional to 119,211.75, 164,534.09 and 68,910.75 is: 95,109.48
Step by Step Solution
- Step 1: Write the proportion equation
119,211.75 : 164,534.09 = 68,910.75 : x - Step 2: Convert to fraction form
119,211.75/164,534.09 = 68,910.75/x - Step 3: Cross multiply
119,211.75x = 164,534.09 × 68,910.75 - Step 4: Simplify right side
119,211.75x = 11,338,167,197.91 - Step 5: Solve for x
x = 11,338,167,197.91/119,211.75 - Step 6: Final answer
x = 95,109.48
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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.