Finding the Fourth Proportional to 134,857.06, 202,226.76 and 71,661.96
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Solution
The fourth proportional to 134,857.06, 202,226.76 and 71,661.96 is: 107,461.68
Step by Step Solution
- Step 1: Write the proportion equation
134,857.06 : 202,226.76 = 71,661.96 : x - Step 2: Convert to fraction form
134,857.06/202,226.76 = 71,661.96/x - Step 3: Cross multiply
134,857.06x = 202,226.76 × 71,661.96 - Step 4: Simplify right side
134,857.06x = 14,491,965,986.05 - Step 5: Solve for x
x = 14,491,965,986.05/134,857.06 - Step 6: Final answer
x = 107,461.68
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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.