Finding the Fourth Proportional to 106,620.12, 159,114.17 and 95,247.75
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Solution
The fourth proportional to 106,620.12, 159,114.17 and 95,247.75 is: 142,142.65
Step by Step Solution
- Step 1: Write the proportion equation
106,620.12 : 159,114.17 = 95,247.75 : x - Step 2: Convert to fraction form
106,620.12/159,114.17 = 95,247.75/x - Step 3: Cross multiply
106,620.12x = 159,114.17 × 95,247.75 - Step 4: Simplify right side
106,620.12x = 15,155,266,209.38 - Step 5: Solve for x
x = 15,155,266,209.38/106,620.12 - Step 6: Final answer
x = 142,142.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.