Finding the Fourth Proportional to 106,318.63, 146,517.82 and 76,051.41
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Solution
The fourth proportional to 106,318.63, 146,517.82 and 76,051.41 is: 104,806.53
Step by Step Solution
- Step 1: Write the proportion equation
106,318.63 : 146,517.82 = 76,051.41 : x - Step 2: Convert to fraction form
106,318.63/146,517.82 = 76,051.41/x - Step 3: Cross multiply
106,318.63x = 146,517.82 × 76,051.41 - Step 4: Simplify right side
106,318.63x = 11,142,886,801.13 - Step 5: Solve for x
x = 11,142,886,801.13/106,318.63 - Step 6: Final answer
x = 104,806.53
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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.