Finding the Fourth Proportional to 110,812.29, 166,279.79 and 68,714.97
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Solution
The fourth proportional to 110,812.29, 166,279.79 and 68,714.97 is: 103,110.50
Step by Step Solution
- Step 1: Write the proportion equation
110,812.29 : 166,279.79 = 68,714.97 : x - Step 2: Convert to fraction form
110,812.29/166,279.79 = 68,714.97/x - Step 3: Cross multiply
110,812.29x = 166,279.79 × 68,714.97 - Step 4: Simplify right side
110,812.29x = 11,425,910,781.46 - Step 5: Solve for x
x = 11,425,910,781.46/110,812.29 - Step 6: Final answer
x = 103,110.50
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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.