Finding the Fourth Proportional to 135,884.74, 202,912.04 and 110,974.21
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Solution
The fourth proportional to 135,884.74, 202,912.04 and 110,974.21 is: 165,714.00
Step by Step Solution
- Step 1: Write the proportion equation
135,884.74 : 202,912.04 = 110,974.21 : x - Step 2: Convert to fraction form
135,884.74/202,912.04 = 110,974.21/x - Step 3: Cross multiply
135,884.74x = 202,912.04 × 110,974.21 - Step 4: Simplify right side
135,884.74x = 22,518,003,338.49 - Step 5: Solve for x
x = 22,518,003,338.49/135,884.74 - Step 6: Final answer
x = 165,714.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.