Finding the Fourth Proportional to 104,110.80, 143,634.24 and 68,320.68
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Solution
The fourth proportional to 104,110.80, 143,634.24 and 68,320.68 is: 94,257.17
Step by Step Solution
- Step 1: Write the proportion equation
104,110.80 : 143,634.24 = 68,320.68 : x - Step 2: Convert to fraction form
104,110.80/143,634.24 = 68,320.68/x - Step 3: Cross multiply
104,110.80x = 143,634.24 × 68,320.68 - Step 4: Simplify right side
104,110.80x = 9,813,188,948.08 - Step 5: Solve for x
x = 9,813,188,948.08/104,110.80 - Step 6: Final answer
x = 94,257.17
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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.