Finding the Fourth Proportional to 122,700.36, 168,841.08 and 102,492.48
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Solution
The fourth proportional to 122,700.36, 168,841.08 and 102,492.48 is: 141,034.15
Step by Step Solution
- Step 1: Write the proportion equation
122,700.36 : 168,841.08 = 102,492.48 : x - Step 2: Convert to fraction form
122,700.36/168,841.08 = 102,492.48/x - Step 3: Cross multiply
122,700.36x = 168,841.08 × 102,492.48 - Step 4: Simplify right side
122,700.36x = 17,304,941,015.08 - Step 5: Solve for x
x = 17,304,941,015.08/122,700.36 - Step 6: Final answer
x = 141,034.15
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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.