Finding the Fourth Proportional to 126,136.14, 189,227.52 and 36,175.08
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Solution
The fourth proportional to 126,136.14, 189,227.52 and 36,175.08 is: 54,269.31
Step by Step Solution
- Step 1: Write the proportion equation
126,136.14 : 189,227.52 = 36,175.08 : x - Step 2: Convert to fraction form
126,136.14/189,227.52 = 36,175.08/x - Step 3: Cross multiply
126,136.14x = 189,227.52 × 36,175.08 - Step 4: Simplify right side
126,136.14x = 6,845,320,674.20 - Step 5: Solve for x
x = 6,845,320,674.20/126,136.14 - Step 6: Final answer
x = 54,269.31
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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.