Finding the Fourth Proportional to 125,735.60, 173,514.15 and 68,374.94
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Solution
The fourth proportional to 125,735.60, 173,514.15 and 68,374.94 is: 94,356.88
Step by Step Solution
- Step 1: Write the proportion equation
125,735.60 : 173,514.15 = 68,374.94 : x - Step 2: Convert to fraction form
125,735.60/173,514.15 = 68,374.94/x - Step 3: Cross multiply
125,735.60x = 173,514.15 × 68,374.94 - Step 4: Simplify right side
125,735.60x = 11,864,018,727.83 - Step 5: Solve for x
x = 11,864,018,727.83/125,735.60 - Step 6: Final answer
x = 94,356.88
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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.