Finding the Fourth Proportional to 125,392.80, 173,035.12 and 68,799.68
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Solution
The fourth proportional to 125,392.80, 173,035.12 and 68,799.68 is: 94,939.75
Step by Step Solution
- Step 1: Write the proportion equation
125,392.80 : 173,035.12 = 68,799.68 : x - Step 2: Convert to fraction form
125,392.80/173,035.12 = 68,799.68/x - Step 3: Cross multiply
125,392.80x = 173,035.12 × 68,799.68 - Step 4: Simplify right side
125,392.80x = 11,904,760,884.76 - Step 5: Solve for x
x = 11,904,760,884.76/125,392.80 - Step 6: Final answer
x = 94,939.75
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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.