Finding the Fourth Proportional to 117,512.88, 175,879.35 and 107,007.08
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Solution
The fourth proportional to 117,512.88, 175,879.35 and 107,007.08 is: 160,155.51
Step by Step Solution
- Step 1: Write the proportion equation
117,512.88 : 175,879.35 = 107,007.08 : x - Step 2: Convert to fraction form
117,512.88/175,879.35 = 107,007.08/x - Step 3: Cross multiply
117,512.88x = 175,879.35 × 107,007.08 - Step 4: Simplify right side
117,512.88x = 18,820,334,796.40 - Step 5: Solve for x
x = 18,820,334,796.40/117,512.88 - Step 6: Final answer
x = 160,155.51
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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.