Finding the Fourth Proportional to 133,123.44, 199,629.70 and 54,184.08
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Solution
The fourth proportional to 133,123.44, 199,629.70 and 54,184.08 is: 81,253.55
Step by Step Solution
- Step 1: Write the proportion equation
133,123.44 : 199,629.70 = 54,184.08 : x - Step 2: Convert to fraction form
133,123.44/199,629.70 = 54,184.08/x - Step 3: Cross multiply
133,123.44x = 199,629.70 × 54,184.08 - Step 4: Simplify right side
133,123.44x = 10,816,751,635.18 - Step 5: Solve for x
x = 10,816,751,635.18/133,123.44 - Step 6: Final answer
x = 81,253.55
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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.