Finding the Fourth Proportional to 126,545.68, 174,626.22 and 69,953.68
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Solution
The fourth proportional to 126,545.68, 174,626.22 and 69,953.68 is: 96,532.31
Step by Step Solution
- Step 1: Write the proportion equation
126,545.68 : 174,626.22 = 69,953.68 : x - Step 2: Convert to fraction form
126,545.68/174,626.22 = 69,953.68/x - Step 3: Cross multiply
126,545.68x = 174,626.22 × 69,953.68 - Step 4: Simplify right side
126,545.68x = 12,215,746,713.49 - Step 5: Solve for x
x = 12,215,746,713.49/126,545.68 - Step 6: Final answer
x = 96,532.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.