Finding the Fourth Proportional to 132,199.05, 182,367.09 and 84,402.15
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Solution
The fourth proportional to 132,199.05, 182,367.09 and 84,402.15 is: 116,431.81
Step by Step Solution
- Step 1: Write the proportion equation
132,199.05 : 182,367.09 = 84,402.15 : x - Step 2: Convert to fraction form
132,199.05/182,367.09 = 84,402.15/x - Step 3: Cross multiply
132,199.05x = 182,367.09 × 84,402.15 - Step 4: Simplify right side
132,199.05x = 15,392,174,485.24 - Step 5: Solve for x
x = 15,392,174,485.24/132,199.05 - Step 6: Final answer
x = 116,431.81
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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.