Finding the Fourth Proportional to 125,478.80, 173,161.06 and 68,893.82
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Solution
The fourth proportional to 125,478.80, 173,161.06 and 68,893.82 is: 95,073.65
Step by Step Solution
- Step 1: Write the proportion equation
125,478.80 : 173,161.06 = 68,893.82 : x - Step 2: Convert to fraction form
125,478.80/173,161.06 = 68,893.82/x - Step 3: Cross multiply
125,478.80x = 173,161.06 × 68,893.82 - Step 4: Simplify right side
125,478.80x = 11,929,726,898.65 - Step 5: Solve for x
x = 11,929,726,898.65/125,478.80 - Step 6: Final answer
x = 95,073.65
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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.