Finding the Fourth Proportional to 132,240.24, 182,487.96 and 71,808.12
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Solution
The fourth proportional to 132,240.24, 182,487.96 and 71,808.12 is: 99,093.27
Step by Step Solution
- Step 1: Write the proportion equation
132,240.24 : 182,487.96 = 71,808.12 : x - Step 2: Convert to fraction form
132,240.24/182,487.96 = 71,808.12/x - Step 3: Cross multiply
132,240.24x = 182,487.96 × 71,808.12 - Step 4: Simplify right side
132,240.24x = 13,104,117,330.24 - Step 5: Solve for x
x = 13,104,117,330.24/132,240.24 - Step 6: Final answer
x = 99,093.27
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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.