Finding the Fourth Proportional to 117,226.07, 161,772.14 and 63,511.09
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Solution
The fourth proportional to 117,226.07, 161,772.14 and 63,511.09 is: 87,645.38
Step by Step Solution
- Step 1: Write the proportion equation
117,226.07 : 161,772.14 = 63,511.09 : x - Step 2: Convert to fraction form
117,226.07/161,772.14 = 63,511.09/x - Step 3: Cross multiply
117,226.07x = 161,772.14 × 63,511.09 - Step 4: Simplify right side
117,226.07x = 10,274,323,816.62 - Step 5: Solve for x
x = 10,274,323,816.62/117,226.07 - Step 6: Final answer
x = 87,645.38
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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.