Finding the Fourth Proportional to 114,161.80, 157,606.62 and 68,851.30
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Solution
The fourth proportional to 114,161.80, 157,606.62 and 68,851.30 is: 95,052.99
Step by Step Solution
- Step 1: Write the proportion equation
114,161.80 : 157,606.62 = 68,851.30 : x - Step 2: Convert to fraction form
114,161.80/157,606.62 = 68,851.30/x - Step 3: Cross multiply
114,161.80x = 157,606.62 × 68,851.30 - Step 4: Simplify right side
114,161.80x = 10,851,420,675.61 - Step 5: Solve for x
x = 10,851,420,675.61/114,161.80 - Step 6: Final answer
x = 95,052.99
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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.