Finding the Fourth Proportional to 126,923.49, 175,173.12 and 73,198.08
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Solution
The fourth proportional to 126,923.49, 175,173.12 and 73,198.08 is: 101,024.14
Step by Step Solution
- Step 1: Write the proportion equation
126,923.49 : 175,173.12 = 73,198.08 : x - Step 2: Convert to fraction form
126,923.49/175,173.12 = 73,198.08/x - Step 3: Cross multiply
126,923.49x = 175,173.12 × 73,198.08 - Step 4: Simplify right side
126,923.49x = 12,822,336,051.61 - Step 5: Solve for x
x = 12,822,336,051.61/126,923.49 - Step 6: Final answer
x = 101,024.14
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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.