Finding the Fourth Proportional to 103,596.99, 155,395.47 and 68,528.43
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Solution
The fourth proportional to 103,596.99, 155,395.47 and 68,528.43 is: 102,792.64
Step by Step Solution
- Step 1: Write the proportion equation
103,596.99 : 155,395.47 = 68,528.43 : x - Step 2: Convert to fraction form
103,596.99/155,395.47 = 68,528.43/x - Step 3: Cross multiply
103,596.99x = 155,395.47 × 68,528.43 - Step 4: Simplify right side
103,596.99x = 10,649,007,588.21 - Step 5: Solve for x
x = 10,649,007,588.21/103,596.99 - Step 6: Final answer
x = 102,792.64
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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.