Finding the Fourth Proportional to 135,882.24, 187,534.79 and 82,167.64
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Solution
The fourth proportional to 135,882.24, 187,534.79 and 82,167.64 is: 113,401.80
Step by Step Solution
- Step 1: Write the proportion equation
135,882.24 : 187,534.79 = 82,167.64 : x - Step 2: Convert to fraction form
135,882.24/187,534.79 = 82,167.64/x - Step 3: Cross multiply
135,882.24x = 187,534.79 × 82,167.64 - Step 4: Simplify right side
135,882.24x = 15,409,290,540.65 - Step 5: Solve for x
x = 15,409,290,540.65/135,882.24 - Step 6: Final answer
x = 113,401.80
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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.