Finding the Fourth Proportional to 132,272.21, 182,536.97 and 71,844.03
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Solution
The fourth proportional to 132,272.21, 182,536.97 and 71,844.03 is: 99,145.49
Step by Step Solution
- Step 1: Write the proportion equation
132,272.21 : 182,536.97 = 71,844.03 : x - Step 2: Convert to fraction form
132,272.21/182,536.97 = 71,844.03/x - Step 3: Cross multiply
132,272.21x = 182,536.97 × 71,844.03 - Step 4: Simplify right side
132,272.21x = 13,114,192,184.74 - Step 5: Solve for x
x = 13,114,192,184.74/132,272.21 - Step 6: Final answer
x = 99,145.49
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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.