Finding the Fourth Proportional to 125,192.69, 172,765.99 and 68,604.06
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Solution
The fourth proportional to 125,192.69, 172,765.99 and 68,604.06 is: 94,673.65
Step by Step Solution
- Step 1: Write the proportion equation
125,192.69 : 172,765.99 = 68,604.06 : x - Step 2: Convert to fraction form
125,192.69/172,765.99 = 68,604.06/x - Step 3: Cross multiply
125,192.69x = 172,765.99 × 68,604.06 - Step 4: Simplify right side
125,192.69x = 11,852,448,343.92 - Step 5: Solve for x
x = 11,852,448,343.92/125,192.69 - Step 6: Final answer
x = 94,673.65
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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.