Finding the Fourth Proportional to 119,375.48, 164,734.68 and 65,660.48
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Solution
The fourth proportional to 119,375.48, 164,734.68 and 65,660.48 is: 90,609.55
Step by Step Solution
- Step 1: Write the proportion equation
119,375.48 : 164,734.68 = 65,660.48 : x - Step 2: Convert to fraction form
119,375.48/164,734.68 = 65,660.48/x - Step 3: Cross multiply
119,375.48x = 164,734.68 × 65,660.48 - Step 4: Simplify right side
119,375.48x = 10,816,557,970.10 - Step 5: Solve for x
x = 10,816,557,970.10/119,375.48 - Step 6: Final answer
x = 90,609.55
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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.