Finding the Fourth Proportional to 125,554.92, 173,261.82 and 68,962.68
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Solution
The fourth proportional to 125,554.92, 173,261.82 and 68,962.68 is: 95,166.32
Step by Step Solution
- Step 1: Write the proportion equation
125,554.92 : 173,261.82 = 68,962.68 : x - Step 2: Convert to fraction form
125,554.92/173,261.82 = 68,962.68/x - Step 3: Cross multiply
125,554.92x = 173,261.82 × 68,962.68 - Step 4: Simplify right side
125,554.92x = 11,948,599,448.88 - Step 5: Solve for x
x = 11,948,599,448.88/125,554.92 - Step 6: Final answer
x = 95,166.32
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1.5x scale
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.