Finding the Fourth Proportional to 122,460.93, 168,995.97 and 68,751.18
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Solution
The fourth proportional to 122,460.93, 168,995.97 and 68,751.18 is: 94,876.56
Step by Step Solution
- Step 1: Write the proportion equation
122,460.93 : 168,995.97 = 68,751.18 : x - Step 2: Convert to fraction form
122,460.93/168,995.97 = 68,751.18/x - Step 3: Cross multiply
122,460.93x = 168,995.97 × 68,751.18 - Step 4: Simplify right side
122,460.93x = 11,618,672,352.74 - Step 5: Solve for x
x = 11,618,672,352.74/122,460.93 - Step 6: Final answer
x = 94,876.56
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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.