Finding the Fourth Proportional to 135,373.44, 186,814.08 and 75,757.44
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Solution
The fourth proportional to 135,373.44, 186,814.08 and 75,757.44 is: 104,544.56
Step by Step Solution
- Step 1: Write the proportion equation
135,373.44 : 186,814.08 = 75,757.44 : x - Step 2: Convert to fraction form
135,373.44/186,814.08 = 75,757.44/x - Step 3: Cross multiply
135,373.44x = 186,814.08 × 75,757.44 - Step 4: Simplify right side
135,373.44x = 14,152,556,456.76 - Step 5: Solve for x
x = 14,152,556,456.76/135,373.44 - Step 6: Final answer
x = 104,544.56
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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.