Finding the Fourth Proportional to 125,610.08, 173,168.70 and 100,202.68
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Solution
The fourth proportional to 125,610.08, 173,168.70 and 100,202.68 is: 138,141.52
Step by Step Solution
- Step 1: Write the proportion equation
125,610.08 : 173,168.70 = 100,202.68 : x - Step 2: Convert to fraction form
125,610.08/173,168.70 = 100,202.68/x - Step 3: Cross multiply
125,610.08x = 173,168.70 × 100,202.68 - Step 4: Simplify right side
125,610.08x = 17,351,967,832.12 - Step 5: Solve for x
x = 17,351,967,832.12/125,610.08 - Step 6: Final answer
x = 138,141.52
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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.