Finding the Fourth Proportional to 132,163.14, 182,384.52 and 71,733.26
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Solution
The fourth proportional to 132,163.14, 182,384.52 and 71,733.26 is: 98,991.56
Step by Step Solution
- Step 1: Write the proportion equation
132,163.14 : 182,384.52 = 71,733.26 : x - Step 2: Convert to fraction form
132,163.14/182,384.52 = 71,733.26/x - Step 3: Cross multiply
132,163.14x = 182,384.52 × 71,733.26 - Step 4: Simplify right side
132,163.14x = 13,083,036,115.04 - Step 5: Solve for x
x = 13,083,036,115.04/132,163.14 - Step 6: Final answer
x = 98,991.56
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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.