Finding the Fourth Proportional to 126,276.84, 174,261.69 and 69,687.81
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Solution
The fourth proportional to 126,276.84, 174,261.69 and 69,687.81 is: 96,168.99
Step by Step Solution
- Step 1: Write the proportion equation
126,276.84 : 174,261.69 = 69,687.81 : x - Step 2: Convert to fraction form
126,276.84/174,261.69 = 69,687.81/x - Step 3: Cross multiply
126,276.84x = 174,261.69 × 69,687.81 - Step 4: Simplify right side
126,276.84x = 12,143,915,543.00 - Step 5: Solve for x
x = 12,143,915,543.00/126,276.84 - Step 6: Final answer
x = 96,168.99
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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.