Finding the Fourth Proportional to 119,177.12, 164,446.61 and 68,181.75
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Solution
The fourth proportional to 119,177.12, 164,446.61 and 68,181.75 is: 94,080.62
Step by Step Solution
- Step 1: Write the proportion equation
119,177.12 : 164,446.61 = 68,181.75 : x - Step 2: Convert to fraction form
119,177.12/164,446.61 = 68,181.75/x - Step 3: Cross multiply
119,177.12x = 164,446.61 × 68,181.75 - Step 4: Simplify right side
119,177.12x = 11,212,257,310.46 - Step 5: Solve for x
x = 11,212,257,310.46/119,177.12 - Step 6: Final answer
x = 94,080.62
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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.