Finding the Fourth Proportional to 104,355.14, 156,464.63 and 68,708.56
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Solution
The fourth proportional to 104,355.14, 156,464.63 and 68,708.56 is: 103,018.02
Step by Step Solution
- Step 1: Write the proportion equation
104,355.14 : 156,464.63 = 68,708.56 : x - Step 2: Convert to fraction form
104,355.14/156,464.63 = 68,708.56/x - Step 3: Cross multiply
104,355.14x = 156,464.63 × 68,708.56 - Step 4: Simplify right side
104,355.14x = 10,750,459,418.23 - Step 5: Solve for x
x = 10,750,459,418.23/104,355.14 - Step 6: Final answer
x = 103,018.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.