Finding the Fourth Proportional to 125,548.68, 173,258.42 and 68,189.12
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Solution
The fourth proportional to 125,548.68, 173,258.42 and 68,189.12 is: 94,101.66
Step by Step Solution
- Step 1: Write the proportion equation
125,548.68 : 173,258.42 = 68,189.12 : x - Step 2: Convert to fraction form
125,548.68/173,258.42 = 68,189.12/x - Step 3: Cross multiply
125,548.68x = 173,258.42 × 68,189.12 - Step 4: Simplify right side
125,548.68x = 11,814,339,192.39 - Step 5: Solve for x
x = 11,814,339,192.39/125,548.68 - Step 6: Final answer
x = 94,101.66
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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.