Finding the Fourth Proportional to 135,133.98, 202,725.67 and 45,168.18
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Solution
The fourth proportional to 135,133.98, 202,725.67 and 45,168.18 is: 67,760.53
Step by Step Solution
- Step 1: Write the proportion equation
135,133.98 : 202,725.67 = 45,168.18 : x - Step 2: Convert to fraction form
135,133.98/202,725.67 = 45,168.18/x - Step 3: Cross multiply
135,133.98x = 202,725.67 × 45,168.18 - Step 4: Simplify right side
135,133.98x = 9,156,749,553.18 - Step 5: Solve for x
x = 9,156,749,553.18/135,133.98 - Step 6: Final answer
x = 67,760.53
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1.5x scale
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.