Finding the Fourth Proportional to 126,602.75, 174,704.70 and 69,230.69
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Solution
The fourth proportional to 126,602.75, 174,704.70 and 69,230.69 is: 95,534.47
Step by Step Solution
- Step 1: Write the proportion equation
126,602.75 : 174,704.70 = 69,230.69 : x - Step 2: Convert to fraction form
126,602.75/174,704.70 = 69,230.69/x - Step 3: Cross multiply
126,602.75x = 174,704.70 × 69,230.69 - Step 4: Simplify right side
126,602.75x = 12,094,926,927.24 - Step 5: Solve for x
x = 12,094,926,927.24/126,602.75 - Step 6: Final answer
x = 95,534.47
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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.