Finding the Fourth Proportional to 126,696.18, 174,810.87 and 75,698.94
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Solution
The fourth proportional to 126,696.18, 174,810.87 and 75,698.94 is: 104,446.70
Step by Step Solution
- Step 1: Write the proportion equation
126,696.18 : 174,810.87 = 75,698.94 : x - Step 2: Convert to fraction form
126,696.18/174,810.87 = 75,698.94/x - Step 3: Cross multiply
126,696.18x = 174,810.87 × 75,698.94 - Step 4: Simplify right side
126,696.18x = 13,232,997,559.48 - Step 5: Solve for x
x = 13,232,997,559.48/126,696.18 - Step 6: Final answer
x = 104,446.70
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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.