Finding the Fourth Proportional to 75,187.44, 112,745.16 and 25,253.68
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Solution
The fourth proportional to 75,187.44, 112,745.16 and 25,253.68 is: 37,868.43
Step by Step Solution
- Step 1: Write the proportion equation
75,187.44 : 112,745.16 = 25,253.68 : x - Step 2: Convert to fraction form
75,187.44/112,745.16 = 25,253.68/x - Step 3: Cross multiply
75,187.44x = 112,745.16 × 25,253.68 - Step 4: Simplify right side
75,187.44x = 2,847,230,192.19 - Step 5: Solve for x
x = 2,847,230,192.19/75,187.44 - Step 6: Final answer
x = 37,868.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.