Finding the Fourth Proportional to 126,366.75, 174,405.56 and 76,094.91
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Solution
The fourth proportional to 126,366.75, 174,405.56 and 76,094.91 is: 105,022.68
Step by Step Solution
- Step 1: Write the proportion equation
126,366.75 : 174,405.56 = 76,094.91 : x - Step 2: Convert to fraction form
126,366.75/174,405.56 = 76,094.91/x - Step 3: Cross multiply
126,366.75x = 174,405.56 × 76,094.91 - Step 4: Simplify right side
126,366.75x = 13,271,375,011.23 - Step 5: Solve for x
x = 13,271,375,011.23/126,366.75 - Step 6: Final answer
x = 105,022.68
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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.