Finding the Fourth Proportional to 116,190.80, 173,848.80 and 76,824.80
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Solution
The fourth proportional to 116,190.80, 173,848.80 and 76,824.80 is: 114,947.99
Step by Step Solution
- Step 1: Write the proportion equation
116,190.80 : 173,848.80 = 76,824.80 : x - Step 2: Convert to fraction form
116,190.80/173,848.80 = 76,824.80/x - Step 3: Cross multiply
116,190.80x = 173,848.80 × 76,824.80 - Step 4: Simplify right side
116,190.80x = 13,355,899,290.24 - Step 5: Solve for x
x = 13,355,899,290.24/116,190.80 - Step 6: Final answer
x = 114,947.99
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1.5x scale
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.