Finding the Fourth Proportional to 129,804.44, 179,132.19 and 73,216.94
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Solution
The fourth proportional to 129,804.44, 179,132.19 and 73,216.94 is: 101,040.54
Step by Step Solution
- Step 1: Write the proportion equation
129,804.44 : 179,132.19 = 73,216.94 : x - Step 2: Convert to fraction form
129,804.44/179,132.19 = 73,216.94/x - Step 3: Cross multiply
129,804.44x = 179,132.19 × 73,216.94 - Step 4: Simplify right side
129,804.44x = 13,115,510,807.30 - Step 5: Solve for x
x = 13,115,510,807.30/129,804.44 - Step 6: Final answer
x = 101,040.54
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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.