Finding the Fourth Proportional to 127,586.50, 190,911.67 and 106,474.41
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Solution
The fourth proportional to 127,586.50, 190,911.67 and 106,474.41 is: 159,320.99
Step by Step Solution
- Step 1: Write the proportion equation
127,586.50 : 190,911.67 = 106,474.41 : x - Step 2: Convert to fraction form
127,586.50/190,911.67 = 106,474.41/x - Step 3: Cross multiply
127,586.50x = 190,911.67 × 106,474.41 - Step 4: Simplify right side
127,586.50x = 20,327,207,159.18 - Step 5: Solve for x
x = 20,327,207,159.18/127,586.50 - Step 6: Final answer
x = 159,320.99
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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.