Finding the Fourth Proportional to 118,541.26, 177,596.56 and 68,515.70
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Solution
The fourth proportional to 118,541.26, 177,596.56 and 68,515.70 is: 102,649.09
Step by Step Solution
- Step 1: Write the proportion equation
118,541.26 : 177,596.56 = 68,515.70 : x - Step 2: Convert to fraction form
118,541.26/177,596.56 = 68,515.70/x - Step 3: Cross multiply
118,541.26x = 177,596.56 × 68,515.70 - Step 4: Simplify right side
118,541.26x = 12,168,152,625.99 - Step 5: Solve for x
x = 12,168,152,625.99/118,541.26 - Step 6: Final answer
x = 102,649.09
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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.