Finding the Fourth Proportional to 161,077.16, 222,304.11 and 92,172.99
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Solution
The fourth proportional to 161,077.16, 222,304.11 and 92,172.99 is: 127,208.82
Step by Step Solution
- Step 1: Write the proportion equation
161,077.16 : 222,304.11 = 92,172.99 : x - Step 2: Convert to fraction form
161,077.16/222,304.11 = 92,172.99/x - Step 3: Cross multiply
161,077.16x = 222,304.11 × 92,172.99 - Step 4: Simplify right side
161,077.16x = 20,490,435,281.91 - Step 5: Solve for x
x = 20,490,435,281.91/161,077.16 - Step 6: Final answer
x = 127,208.82
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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.