Finding the Fourth Proportional to 68,134.40, 102,201.60 and 64,246.40
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Solution
The fourth proportional to 68,134.40, 102,201.60 and 64,246.40 is: 96,369.60
Step by Step Solution
- Step 1: Write the proportion equation
68,134.40 : 102,201.60 = 64,246.40 : x - Step 2: Convert to fraction form
68,134.40/102,201.60 = 64,246.40/x - Step 3: Cross multiply
68,134.40x = 102,201.60 × 64,246.40 - Step 4: Simplify right side
68,134.40x = 6,566,084,874.24 - Step 5: Solve for x
x = 6,566,084,874.24/68,134.40 - Step 6: Final answer
x = 96,369.60
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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.