Finding the Fourth Proportional to 132,593.21, 182,973.12 and 72,163.97
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Solution
The fourth proportional to 132,593.21, 182,973.12 and 72,163.97 is: 99,583.28
Step by Step Solution
- Step 1: Write the proportion equation
132,593.21 : 182,973.12 = 72,163.97 : x - Step 2: Convert to fraction form
132,593.21/182,973.12 = 72,163.97/x - Step 3: Cross multiply
132,593.21x = 182,973.12 × 72,163.97 - Step 4: Simplify right side
132,593.21x = 13,204,066,742.49 - Step 5: Solve for x
x = 13,204,066,742.49/132,593.21 - Step 6: Final answer
x = 99,583.28
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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.