Finding the Fourth Proportional to 104,260.13, 143,866.10 and 74,034.44
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Solution
The fourth proportional to 104,260.13, 143,866.10 and 74,034.44 is: 102,158.38
Step by Step Solution
- Step 1: Write the proportion equation
104,260.13 : 143,866.10 = 74,034.44 : x - Step 2: Convert to fraction form
104,260.13/143,866.10 = 74,034.44/x - Step 3: Cross multiply
104,260.13x = 143,866.10 × 74,034.44 - Step 4: Simplify right side
104,260.13x = 10,651,045,058.98 - Step 5: Solve for x
x = 10,651,045,058.98/104,260.13 - Step 6: Final answer
x = 102,158.38
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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.