Finding the Fourth Proportional to 117,906.68, 162,685.98 and 70,150.70
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Solution
The fourth proportional to 117,906.68, 162,685.98 and 70,150.70 is: 96,792.95
Step by Step Solution
- Step 1: Write the proportion equation
117,906.68 : 162,685.98 = 70,150.70 : x - Step 2: Convert to fraction form
117,906.68/162,685.98 = 70,150.70/x - Step 3: Cross multiply
117,906.68x = 162,685.98 × 70,150.70 - Step 4: Simplify right side
117,906.68x = 11,412,535,377.19 - Step 5: Solve for x
x = 11,412,535,377.19/117,906.68 - Step 6: Final answer
x = 96,792.95
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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.