Finding the Fourth Proportional to 118,539.39, 177,621.81 and 96,243.84
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Solution
The fourth proportional to 118,539.39, 177,621.81 and 96,243.84 is: 144,213.70
Step by Step Solution
- Step 1: Write the proportion equation
118,539.39 : 177,621.81 = 96,243.84 : x - Step 2: Convert to fraction form
118,539.39/177,621.81 = 96,243.84/x - Step 3: Cross multiply
118,539.39x = 177,621.81 × 96,243.84 - Step 4: Simplify right side
118,539.39x = 17,095,004,414.65 - Step 5: Solve for x
x = 17,095,004,414.65/118,539.39 - Step 6: Final answer
x = 144,213.70
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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.