Finding the Fourth Proportional to 126,102.26, 174,014.24 and 69,509.18
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Solution
The fourth proportional to 126,102.26, 174,014.24 and 69,509.18 is: 95,918.88
Step by Step Solution
- Step 1: Write the proportion equation
126,102.26 : 174,014.24 = 69,509.18 : x - Step 2: Convert to fraction form
126,102.26/174,014.24 = 69,509.18/x - Step 3: Cross multiply
126,102.26x = 174,014.24 × 69,509.18 - Step 4: Simplify right side
126,102.26x = 12,095,587,130.72 - Step 5: Solve for x
x = 12,095,587,130.72/126,102.26 - Step 6: Final answer
x = 95,918.88
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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.