Finding the Fourth Proportional to 135,884.13, 202,911.09 and 110,973.60
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Solution
The fourth proportional to 135,884.13, 202,911.09 and 110,973.60 is: 165,713.05
Step by Step Solution
- Step 1: Write the proportion equation
135,884.13 : 202,911.09 = 110,973.60 : x - Step 2: Convert to fraction form
135,884.13/202,911.09 = 110,973.60/x - Step 3: Cross multiply
135,884.13x = 202,911.09 × 110,973.60 - Step 4: Simplify right side
135,884.13x = 22,517,774,137.22 - Step 5: Solve for x
x = 22,517,774,137.22/135,884.13 - Step 6: Final answer
x = 165,713.05
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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.