Finding the Fourth Proportional to 104,385.49, 143,853.11 and 102,466.15
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Solution
The fourth proportional to 104,385.49, 143,853.11 and 102,466.15 is: 141,208.07
Step by Step Solution
- Step 1: Write the proportion equation
104,385.49 : 143,853.11 = 102,466.15 : x - Step 2: Convert to fraction form
104,385.49/143,853.11 = 102,466.15/x - Step 3: Cross multiply
104,385.49x = 143,853.11 × 102,466.15 - Step 4: Simplify right side
104,385.49x = 14,740,073,834.90 - Step 5: Solve for x
x = 14,740,073,834.90/104,385.49 - Step 6: Final answer
x = 141,208.07
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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.