Finding the Fourth Proportional to 126,149.26, 174,077.08 and 69,559.42
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Solution
The fourth proportional to 126,149.26, 174,077.08 and 69,559.42 is: 95,987.09
Step by Step Solution
- Step 1: Write the proportion equation
126,149.26 : 174,077.08 = 69,559.42 : x - Step 2: Convert to fraction form
126,149.26/174,077.08 = 69,559.42/x - Step 3: Cross multiply
126,149.26x = 174,077.08 × 69,559.42 - Step 4: Simplify right side
126,149.26x = 12,108,700,720.09 - Step 5: Solve for x
x = 12,108,700,720.09/126,149.26 - Step 6: Final answer
x = 95,987.09
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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.