Finding the Fourth Proportional to 136,956.68, 205,481.73 and 73,783.28
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Solution
The fourth proportional to 136,956.68, 205,481.73 and 73,783.28 is: 110,700.09
Step by Step Solution
- Step 1: Write the proportion equation
136,956.68 : 205,481.73 = 73,783.28 : x - Step 2: Convert to fraction form
136,956.68/205,481.73 = 73,783.28/x - Step 3: Cross multiply
136,956.68x = 205,481.73 × 73,783.28 - Step 4: Simplify right side
136,956.68x = 15,161,116,348.72 - Step 5: Solve for x
x = 15,161,116,348.72/136,956.68 - Step 6: Final answer
x = 110,700.09
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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.