Finding the Fourth Proportional to 146,723.11, 219,938.84 and 87,469.99
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Solution
The fourth proportional to 146,723.11, 219,938.84 and 87,469.99 is: 131,118.05
Step by Step Solution
- Step 1: Write the proportion equation
146,723.11 : 219,938.84 = 87,469.99 : x - Step 2: Convert to fraction form
146,723.11/219,938.84 = 87,469.99/x - Step 3: Cross multiply
146,723.11x = 219,938.84 × 87,469.99 - Step 4: Simplify right side
146,723.11x = 19,238,048,135.41 - Step 5: Solve for x
x = 19,238,048,135.41/146,723.11 - Step 6: Final answer
x = 131,118.05
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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.