Finding the Fourth Proportional to 126,668.44, 174,796.06 and 69,306.52
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Solution
The fourth proportional to 126,668.44, 174,796.06 and 69,306.52 is: 95,639.50
Step by Step Solution
- Step 1: Write the proportion equation
126,668.44 : 174,796.06 = 69,306.52 : x - Step 2: Convert to fraction form
126,668.44/174,796.06 = 69,306.52/x - Step 3: Cross multiply
126,668.44x = 174,796.06 × 69,306.52 - Step 4: Simplify right side
126,668.44x = 12,114,506,628.31 - Step 5: Solve for x
x = 12,114,506,628.31/126,668.44 - Step 6: Final answer
x = 95,639.50
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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.