Finding the Fourth Proportional to 116,115.39, 159,881.67 and 101,692.08
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Solution
The fourth proportional to 116,115.39, 159,881.67 and 101,692.08 is: 140,021.92
Step by Step Solution
- Step 1: Write the proportion equation
116,115.39 : 159,881.67 = 101,692.08 : x - Step 2: Convert to fraction form
116,115.39/159,881.67 = 101,692.08/x - Step 3: Cross multiply
116,115.39x = 159,881.67 × 101,692.08 - Step 4: Simplify right side
116,115.39x = 16,258,699,576.17 - Step 5: Solve for x
x = 16,258,699,576.17/116,115.39 - Step 6: Final answer
x = 140,021.92
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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.