Finding the Fourth Proportional to 125,034.93, 172,628.70 and 111,583.08
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Solution
The fourth proportional to 125,034.93, 172,628.70 and 111,583.08 is: 154,056.49
Step by Step Solution
- Step 1: Write the proportion equation
125,034.93 : 172,628.70 = 111,583.08 : x - Step 2: Convert to fraction form
125,034.93/172,628.70 = 111,583.08/x - Step 3: Cross multiply
125,034.93x = 172,628.70 × 111,583.08 - Step 4: Simplify right side
125,034.93x = 19,262,442,042.40 - Step 5: Solve for x
x = 19,262,442,042.40/125,034.93 - Step 6: Final answer
x = 154,056.49
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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.