Finding the Fourth Proportional to 126,485.19, 174,552.84 and 69,126.93
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Solution
The fourth proportional to 126,485.19, 174,552.84 and 69,126.93 is: 95,396.95
Step by Step Solution
- Step 1: Write the proportion equation
126,485.19 : 174,552.84 = 69,126.93 : x - Step 2: Convert to fraction form
126,485.19/174,552.84 = 69,126.93/x - Step 3: Cross multiply
126,485.19x = 174,552.84 × 69,126.93 - Step 4: Simplify right side
126,485.19x = 12,066,301,951.98 - Step 5: Solve for x
x = 12,066,301,951.98/126,485.19 - Step 6: Final answer
x = 95,396.95
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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.