Finding the Fourth Proportional to 125,719.60, 173,496.48 and 68,362.96
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Solution
The fourth proportional to 125,719.60, 173,496.48 and 68,362.96 is: 94,342.75
Step by Step Solution
- Step 1: Write the proportion equation
125,719.60 : 173,496.48 = 68,362.96 : x - Step 2: Convert to fraction form
125,719.60/173,496.48 = 68,362.96/x - Step 3: Cross multiply
125,719.60x = 173,496.48 × 68,362.96 - Step 4: Simplify right side
125,719.60x = 11,860,732,922.38 - Step 5: Solve for x
x = 11,860,732,922.38/125,719.60 - Step 6: Final answer
x = 94,342.75
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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.