Finding the Fourth Proportional to 126,820.08, 175,011.37 and 73,104.80
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Solution
The fourth proportional to 126,820.08, 175,011.37 and 73,104.80 is: 100,884.42
Step by Step Solution
- Step 1: Write the proportion equation
126,820.08 : 175,011.37 = 73,104.80 : x - Step 2: Convert to fraction form
126,820.08/175,011.37 = 73,104.80/x - Step 3: Cross multiply
126,820.08x = 175,011.37 × 73,104.80 - Step 4: Simplify right side
126,820.08x = 12,794,170,143.76 - Step 5: Solve for x
x = 12,794,170,143.76/126,820.08 - Step 6: Final answer
x = 100,884.42
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1.5x scale
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.