Finding the Fourth Proportional to 107,452.44, 160,389.99 and 99,535.50
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Solution
The fourth proportional to 107,452.44, 160,389.99 and 99,535.50 is: 148,572.69
Step by Step Solution
- Step 1: Write the proportion equation
107,452.44 : 160,389.99 = 99,535.50 : x - Step 2: Convert to fraction form
107,452.44/160,389.99 = 99,535.50/x - Step 3: Cross multiply
107,452.44x = 160,389.99 × 99,535.50 - Step 4: Simplify right side
107,452.44x = 15,964,497,849.65 - Step 5: Solve for x
x = 15,964,497,849.65/107,452.44 - Step 6: Final answer
x = 148,572.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.