Finding the Fourth Proportional to 132,167.36, 182,391.11 and 71,738.00
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Solution
The fourth proportional to 132,167.36, 182,391.11 and 71,738.00 is: 98,998.52
Step by Step Solution
- Step 1: Write the proportion equation
132,167.36 : 182,391.11 = 71,738.00 : x - Step 2: Convert to fraction form
132,167.36/182,391.11 = 71,738.00/x - Step 3: Cross multiply
132,167.36x = 182,391.11 × 71,738.00 - Step 4: Simplify right side
132,167.36x = 13,084,372,178.53 - Step 5: Solve for x
x = 13,084,372,178.53/132,167.36 - Step 6: Final answer
x = 98,998.52
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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.