Finding the Fourth Proportional to 146,026.68, 201,517.11 and 78,958.68
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Solution
The fourth proportional to 146,026.68, 201,517.11 and 78,958.68 is: 108,963.14
Step by Step Solution
- Step 1: Write the proportion equation
146,026.68 : 201,517.11 = 78,958.68 : x - Step 2: Convert to fraction form
146,026.68/201,517.11 = 78,958.68/x - Step 3: Cross multiply
146,026.68x = 201,517.11 × 78,958.68 - Step 4: Simplify right side
146,026.68x = 15,911,525,003.01 - Step 5: Solve for x
x = 15,911,525,003.01/146,026.68 - Step 6: Final answer
x = 108,963.14
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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.