Finding the Fourth Proportional to 126,823.08, 175,015.50 and 73,107.80
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Solution
The fourth proportional to 126,823.08, 175,015.50 and 73,107.80 is: 100,888.56
Step by Step Solution
- Step 1: Write the proportion equation
126,823.08 : 175,015.50 = 73,107.80 : x - Step 2: Convert to fraction form
126,823.08/175,015.50 = 73,107.80/x - Step 3: Cross multiply
126,823.08x = 175,015.50 × 73,107.80 - Step 4: Simplify right side
126,823.08x = 12,794,997,295.82 - Step 5: Solve for x
x = 12,794,997,295.82/126,823.08 - Step 6: Final answer
x = 100,888.56
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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.