Finding the Fourth Proportional to 117,206.37, 161,711.97 and 73,603.62
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Solution
The fourth proportional to 117,206.37, 161,711.97 and 73,603.62 is: 101,552.38
Step by Step Solution
- Step 1: Write the proportion equation
117,206.37 : 161,711.97 = 73,603.62 : x - Step 2: Convert to fraction form
117,206.37/161,711.97 = 73,603.62/x - Step 3: Cross multiply
117,206.37x = 161,711.97 × 73,603.62 - Step 4: Simplify right side
117,206.37x = 11,902,586,113.32 - Step 5: Solve for x
x = 11,902,586,113.32/117,206.37 - Step 6: Final answer
x = 101,552.38
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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.