Finding the Fourth Proportional to 126,176.52, 174,122.28 and 69,586.68
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Solution
The fourth proportional to 126,176.52, 174,122.28 and 69,586.68 is: 96,028.89
Step by Step Solution
- Step 1: Write the proportion equation
126,176.52 : 174,122.28 = 69,586.68 : x - Step 2: Convert to fraction form
126,176.52/174,122.28 = 69,586.68/x - Step 3: Cross multiply
126,176.52x = 174,122.28 × 69,586.68 - Step 4: Simplify right side
126,176.52x = 12,116,591,379.23 - Step 5: Solve for x
x = 12,116,591,379.23/126,176.52 - Step 6: Final answer
x = 96,028.89
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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.