Finding the Fourth Proportional to 88,137.68, 132,208.94 and 25,808.18
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Solution
The fourth proportional to 88,137.68, 132,208.94 and 25,808.18 is: 38,712.98
Step by Step Solution
- Step 1: Write the proportion equation
88,137.68 : 132,208.94 = 25,808.18 : x - Step 2: Convert to fraction form
88,137.68/132,208.94 = 25,808.18/x - Step 3: Cross multiply
88,137.68x = 132,208.94 × 25,808.18 - Step 4: Simplify right side
88,137.68x = 3,412,072,121.13 - Step 5: Solve for x
x = 3,412,072,121.13/88,137.68 - Step 6: Final answer
x = 38,712.98
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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.