Finding the Fourth Proportional to 117,721.82, 175,473.75 and 108,273.98
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Solution
The fourth proportional to 117,721.82, 175,473.75 and 108,273.98 is: 161,390.99
Step by Step Solution
- Step 1: Write the proportion equation
117,721.82 : 175,473.75 = 108,273.98 : x - Step 2: Convert to fraction form
117,721.82/175,473.75 = 108,273.98/x - Step 3: Cross multiply
117,721.82x = 175,473.75 × 108,273.98 - Step 4: Simplify right side
117,721.82x = 18,999,240,420.66 - Step 5: Solve for x
x = 18,999,240,420.66/117,721.82 - Step 6: Final answer
x = 161,390.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.