Finding the Fourth Proportional to 132,163.18, 182,385.73 and 71,733.91
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Solution
The fourth proportional to 132,163.18, 182,385.73 and 71,733.91 is: 98,993.09
Step by Step Solution
- Step 1: Write the proportion equation
132,163.18 : 182,385.73 = 71,733.91 : x - Step 2: Convert to fraction form
132,163.18/182,385.73 = 71,733.91/x - Step 3: Cross multiply
132,163.18x = 182,385.73 × 71,733.91 - Step 4: Simplify right side
132,163.18x = 13,083,241,541.10 - Step 5: Solve for x
x = 13,083,241,541.10/132,163.18 - Step 6: Final answer
x = 98,993.09
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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.