Finding the Fourth Proportional to 131,394.06, 181,324.11 and 76,214.03
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Solution
The fourth proportional to 131,394.06, 181,324.11 and 76,214.03 is: 105,175.53
Step by Step Solution
- Step 1: Write the proportion equation
131,394.06 : 181,324.11 = 76,214.03 : x - Step 2: Convert to fraction form
131,394.06/181,324.11 = 76,214.03/x - Step 3: Cross multiply
131,394.06x = 181,324.11 × 76,214.03 - Step 4: Simplify right side
131,394.06x = 13,819,440,252.64 - Step 5: Solve for x
x = 13,819,440,252.64/131,394.06 - Step 6: Final answer
x = 105,175.53
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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.