Finding the Fourth Proportional to 114,175.63, 157,712.97 and 87,645.97
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Solution
The fourth proportional to 114,175.63, 157,712.97 and 87,645.97 is: 121,067.05
Step by Step Solution
- Step 1: Write the proportion equation
114,175.63 : 157,712.97 = 87,645.97 : x - Step 2: Convert to fraction form
114,175.63/157,712.97 = 87,645.97/x - Step 3: Cross multiply
114,175.63x = 157,712.97 × 87,645.97 - Step 4: Simplify right side
114,175.63x = 13,822,906,237.23 - Step 5: Solve for x
x = 13,822,906,237.23/114,175.63 - Step 6: Final answer
x = 121,067.05
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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.