Finding the Fourth Proportional to 117,933.36, 177,023.16 and 103,984.08
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Solution
The fourth proportional to 117,933.36, 177,023.16 and 103,984.08 is: 156,084.68
Step by Step Solution
- Step 1: Write the proportion equation
117,933.36 : 177,023.16 = 103,984.08 : x - Step 2: Convert to fraction form
117,933.36/177,023.16 = 103,984.08/x - Step 3: Cross multiply
117,933.36x = 177,023.16 × 103,984.08 - Step 4: Simplify right side
117,933.36x = 18,407,590,431.29 - Step 5: Solve for x
x = 18,407,590,431.29/117,933.36 - Step 6: Final answer
x = 156,084.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.