Finding the Fourth Proportional to 161,163.99, 222,337.38 and 100,693.44
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Solution
The fourth proportional to 161,163.99, 222,337.38 and 100,693.44 is: 138,913.88
Step by Step Solution
- Step 1: Write the proportion equation
161,163.99 : 222,337.38 = 100,693.44 : x - Step 2: Convert to fraction form
161,163.99/222,337.38 = 100,693.44/x - Step 3: Cross multiply
161,163.99x = 222,337.38 × 100,693.44 - Step 4: Simplify right side
161,163.99x = 22,387,915,632.79 - Step 5: Solve for x
x = 22,387,915,632.79/161,163.99 - Step 6: Final answer
x = 138,913.88
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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.