Finding the Fourth Proportional to 135,027.75, 186,336.09 and 74,600.94
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Solution
The fourth proportional to 135,027.75, 186,336.09 and 74,600.94 is: 102,948.08
Step by Step Solution
- Step 1: Write the proportion equation
135,027.75 : 186,336.09 = 74,600.94 : x - Step 2: Convert to fraction form
135,027.75/186,336.09 = 74,600.94/x - Step 3: Cross multiply
135,027.75x = 186,336.09 × 74,600.94 - Step 4: Simplify right side
135,027.75x = 13,900,847,469.92 - Step 5: Solve for x
x = 13,900,847,469.92/135,027.75 - Step 6: Final answer
x = 102,948.08
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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.