Finding the Fourth Proportional to 125,181.07, 172,749.88 and 68,591.23
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Solution
The fourth proportional to 125,181.07, 172,749.88 and 68,591.23 is: 94,655.90
Step by Step Solution
- Step 1: Write the proportion equation
125,181.07 : 172,749.88 = 68,591.23 : x - Step 2: Convert to fraction form
125,181.07/172,749.88 = 68,591.23/x - Step 3: Cross multiply
125,181.07x = 172,749.88 × 68,591.23 - Step 4: Simplify right side
125,181.07x = 11,849,126,601.91 - Step 5: Solve for x
x = 11,849,126,601.91/125,181.07 - Step 6: Final answer
x = 94,655.90
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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.