Finding the Fourth Proportional to 161,974.44, 223,513.92 and 101,542.68
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Solution
The fourth proportional to 161,974.44, 223,513.92 and 101,542.68 is: 140,122.12
Step by Step Solution
- Step 1: Write the proportion equation
161,974.44 : 223,513.92 = 101,542.68 : x - Step 2: Convert to fraction form
161,974.44/223,513.92 = 101,542.68/x - Step 3: Cross multiply
161,974.44x = 223,513.92 × 101,542.68 - Step 4: Simplify right side
161,974.44x = 22,696,202,454.11 - Step 5: Solve for x
x = 22,696,202,454.11/161,974.44 - Step 6: Final answer
x = 140,122.12
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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.