Finding the Fourth Proportional to 126,306.44, 174,310.08 and 75,305.60
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Solution
The fourth proportional to 126,306.44, 174,310.08 and 75,305.60 is: 103,926.02
Step by Step Solution
- Step 1: Write the proportion equation
126,306.44 : 174,310.08 = 75,305.60 : x - Step 2: Convert to fraction form
126,306.44/174,310.08 = 75,305.60/x - Step 3: Cross multiply
126,306.44x = 174,310.08 × 75,305.60 - Step 4: Simplify right side
126,306.44x = 13,126,525,160.45 - Step 5: Solve for x
x = 13,126,525,160.45/126,306.44 - Step 6: Final answer
x = 103,926.02
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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.