Finding the Fourth Proportional to 162,136.53, 223,721.73 and 90,504.99
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Solution
The fourth proportional to 162,136.53, 223,721.73 and 90,504.99 is: 124,881.99
Step by Step Solution
- Step 1: Write the proportion equation
162,136.53 : 223,721.73 = 90,504.99 : x - Step 2: Convert to fraction form
162,136.53/223,721.73 = 90,504.99/x - Step 3: Cross multiply
162,136.53x = 223,721.73 × 90,504.99 - Step 4: Simplify right side
162,136.53x = 20,247,932,936.43 - Step 5: Solve for x
x = 20,247,932,936.43/162,136.53 - Step 6: Final answer
x = 124,881.99
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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.