Finding the Fourth Proportional to 157,173.44, 216,902.88 and 89,194.88
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Solution
The fourth proportional to 157,173.44, 216,902.88 and 89,194.88 is: 123,090.94
Step by Step Solution
- Step 1: Write the proportion equation
157,173.44 : 216,902.88 = 89,194.88 : x - Step 2: Convert to fraction form
157,173.44/216,902.88 = 89,194.88/x - Step 3: Cross multiply
157,173.44x = 216,902.88 × 89,194.88 - Step 4: Simplify right side
157,173.44x = 19,346,626,353.25 - Step 5: Solve for x
x = 19,346,626,353.25/157,173.44 - Step 6: Final answer
x = 123,090.94
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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.