Finding the Fourth Proportional to 139,808.97, 192,874.97 and 94,470.39
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Solution
The fourth proportional to 139,808.97, 192,874.97 and 94,470.39 is: 130,327.65
Step by Step Solution
- Step 1: Write the proportion equation
139,808.97 : 192,874.97 = 94,470.39 : x - Step 2: Convert to fraction form
139,808.97/192,874.97 = 94,470.39/x - Step 3: Cross multiply
139,808.97x = 192,874.97 × 94,470.39 - Step 4: Simplify right side
139,808.97x = 18,220,973,873.31 - Step 5: Solve for x
x = 18,220,973,873.31/139,808.97 - Step 6: Final answer
x = 130,327.65
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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.