Finding the Fourth Proportional to 134,694.22, 202,165.96 and 68,181.06
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Solution
The fourth proportional to 134,694.22, 202,165.96 and 68,181.06 is: 102,334.68
Step by Step Solution
- Step 1: Write the proportion equation
134,694.22 : 202,165.96 = 68,181.06 : x - Step 2: Convert to fraction form
134,694.22/202,165.96 = 68,181.06/x - Step 3: Cross multiply
134,694.22x = 202,165.96 × 68,181.06 - Step 4: Simplify right side
134,694.22x = 13,783,889,448.72 - Step 5: Solve for x
x = 13,783,889,448.72/134,694.22 - Step 6: Final answer
x = 102,334.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.