Finding the Fourth Proportional to 161,864.87, 223,294.14 and 108,163.10
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Solution
The fourth proportional to 161,864.87, 223,294.14 and 108,163.10 is: 149,212.03
Step by Step Solution
- Step 1: Write the proportion equation
161,864.87 : 223,294.14 = 108,163.10 : x - Step 2: Convert to fraction form
161,864.87/223,294.14 = 108,163.10/x - Step 3: Cross multiply
161,864.87x = 223,294.14 × 108,163.10 - Step 4: Simplify right side
161,864.87x = 24,152,186,394.23 - Step 5: Solve for x
x = 24,152,186,394.23/161,864.87 - Step 6: Final answer
x = 149,212.03
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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.