Finding the Fourth Proportional to 167,394.36, 231,094.28 and 129,069.88
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Solution
The fourth proportional to 167,394.36, 231,094.28 and 129,069.88 is: 178,185.88
Step by Step Solution
- Step 1: Write the proportion equation
167,394.36 : 231,094.28 = 129,069.88 : x - Step 2: Convert to fraction form
167,394.36/231,094.28 = 129,069.88/x - Step 3: Cross multiply
167,394.36x = 231,094.28 × 129,069.88 - Step 4: Simplify right side
167,394.36x = 29,827,310,988.29 - Step 5: Solve for x
x = 29,827,310,988.29/167,394.36 - Step 6: Final answer
x = 178,185.88
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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.