Finding the Fourth Proportional to 108,913.19, 150,234.99 and 68,556.90
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Solution
The fourth proportional to 108,913.19, 150,234.99 and 68,556.90 is: 94,567.48
Step by Step Solution
- Step 1: Write the proportion equation
108,913.19 : 150,234.99 = 68,556.90 : x - Step 2: Convert to fraction form
108,913.19/150,234.99 = 68,556.90/x - Step 3: Cross multiply
108,913.19x = 150,234.99 × 68,556.90 - Step 4: Simplify right side
108,913.19x = 10,299,645,185.93 - Step 5: Solve for x
x = 10,299,645,185.93/108,913.19 - Step 6: Final answer
x = 94,567.48
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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.