Finding the Fourth Proportional to 125,554.91, 173,267.05 and 68,194.79
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Solution
The fourth proportional to 125,554.91, 173,267.05 and 68,194.79 is: 94,109.50
Step by Step Solution
- Step 1: Write the proportion equation
125,554.91 : 173,267.05 = 68,194.79 : x - Step 2: Convert to fraction form
125,554.91/173,267.05 = 68,194.79/x - Step 3: Cross multiply
125,554.91x = 173,267.05 × 68,194.79 - Step 4: Simplify right side
125,554.91x = 11,815,909,342.15 - Step 5: Solve for x
x = 11,815,909,342.15/125,554.91 - Step 6: Final answer
x = 94,109.50
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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.