Finding the Fourth Proportional to 123,745.11, 170,768.37 and 67,156.49
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Solution
The fourth proportional to 123,745.11, 170,768.37 and 67,156.49 is: 92,676.02
Step by Step Solution
- Step 1: Write the proportion equation
123,745.11 : 170,768.37 = 67,156.49 : x - Step 2: Convert to fraction form
123,745.11/170,768.37 = 67,156.49/x - Step 3: Cross multiply
123,745.11x = 170,768.37 × 67,156.49 - Step 4: Simplify right side
123,745.11x = 11,468,204,332.22 - Step 5: Solve for x
x = 11,468,204,332.22/123,745.11 - Step 6: Final answer
x = 92,676.02
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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.