Finding the Fourth Proportional to 96,186.25, 132,734.55 and 53,745.13
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Solution
The fourth proportional to 96,186.25, 132,734.55 and 53,745.13 is: 74,166.90
Step by Step Solution
- Step 1: Write the proportion equation
96,186.25 : 132,734.55 = 53,745.13 : x - Step 2: Convert to fraction form
96,186.25/132,734.55 = 53,745.13/x - Step 3: Cross multiply
96,186.25x = 132,734.55 × 53,745.13 - Step 4: Simplify right side
96,186.25x = 7,133,835,645.24 - Step 5: Solve for x
x = 7,133,835,645.24/96,186.25 - Step 6: Final answer
x = 74,166.90
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1.5x scale
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.