Finding the Fourth Proportional to 135,183.73, 186,554.76 and 74,758.44
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Solution
The fourth proportional to 135,183.73, 186,554.76 and 74,758.44 is: 103,167.32
Step by Step Solution
- Step 1: Write the proportion equation
135,183.73 : 186,554.76 = 74,758.44 : x - Step 2: Convert to fraction form
135,183.73/186,554.76 = 74,758.44/x - Step 3: Cross multiply
135,183.73x = 186,554.76 × 74,758.44 - Step 4: Simplify right side
135,183.73x = 13,946,542,832.17 - Step 5: Solve for x
x = 13,946,542,832.17/135,183.73 - Step 6: Final answer
x = 103,167.32
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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.