Finding the Fourth Proportional to 104,161.06, 143,742.63 and 56,414.26
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Solution
The fourth proportional to 104,161.06, 143,742.63 and 56,414.26 is: 77,851.88
Step by Step Solution
- Step 1: Write the proportion equation
104,161.06 : 143,742.63 = 56,414.26 : x - Step 2: Convert to fraction form
104,161.06/143,742.63 = 56,414.26/x - Step 3: Cross multiply
104,161.06x = 143,742.63 × 56,414.26 - Step 4: Simplify right side
104,161.06x = 8,109,134,101.90 - Step 5: Solve for x
x = 8,109,134,101.90/104,161.06 - Step 6: Final answer
x = 77,851.88
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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.