Finding the Fourth Proportional to 135,057.58, 202,713.48 and 68,545.44
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Solution
The fourth proportional to 135,057.58, 202,713.48 and 68,545.44 is: 102,882.67
Step by Step Solution
- Step 1: Write the proportion equation
135,057.58 : 202,713.48 = 68,545.44 : x - Step 2: Convert to fraction form
135,057.58/202,713.48 = 68,545.44/x - Step 3: Cross multiply
135,057.58x = 202,713.48 × 68,545.44 - Step 4: Simplify right side
135,057.58x = 13,895,084,345.11 - Step 5: Solve for x
x = 13,895,084,345.11/135,057.58 - Step 6: Final answer
x = 102,882.67
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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.