Finding the Fourth Proportional to 125,174.52, 172,739.88 and 68,584.68
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Solution
The fourth proportional to 125,174.52, 172,739.88 and 68,584.68 is: 94,646.33
Step by Step Solution
- Step 1: Write the proportion equation
125,174.52 : 172,739.88 = 68,584.68 : x - Step 2: Convert to fraction form
125,174.52/172,739.88 = 68,584.68/x - Step 3: Cross multiply
125,174.52x = 172,739.88 × 68,584.68 - Step 4: Simplify right side
125,174.52x = 11,847,309,393.04 - Step 5: Solve for x
x = 11,847,309,393.04/125,174.52 - Step 6: Final answer
x = 94,646.33
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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.