Finding the Fourth Proportional to 124,840.07, 172,279.26 and 68,251.44
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Solution
The fourth proportional to 124,840.07, 172,279.26 and 68,251.44 is: 94,186.97
Step by Step Solution
- Step 1: Write the proportion equation
124,840.07 : 172,279.26 = 68,251.44 : x - Step 2: Convert to fraction form
124,840.07/172,279.26 = 68,251.44/x - Step 3: Cross multiply
124,840.07x = 172,279.26 × 68,251.44 - Step 4: Simplify right side
124,840.07x = 11,758,307,577.13 - Step 5: Solve for x
x = 11,758,307,577.13/124,840.07 - Step 6: Final answer
x = 94,186.97
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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.