Finding the Fourth Proportional to 116,828.60, 160,883.88 and 101,508.08
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Solution
The fourth proportional to 116,828.60, 160,883.88 and 101,508.08 is: 139,786.09
Step by Step Solution
- Step 1: Write the proportion equation
116,828.60 : 160,883.88 = 101,508.08 : x - Step 2: Convert to fraction form
116,828.60/160,883.88 = 101,508.08/x - Step 3: Cross multiply
116,828.60x = 160,883.88 × 101,508.08 - Step 4: Simplify right side
116,828.60x = 16,331,013,761.75 - Step 5: Solve for x
x = 16,331,013,761.75/116,828.60 - Step 6: Final answer
x = 139,786.09
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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.