Finding the Fourth Proportional to 119,815.24, 165,353.05 and 68,844.47
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Solution
The fourth proportional to 119,815.24, 165,353.05 and 68,844.47 is: 95,009.98
Step by Step Solution
- Step 1: Write the proportion equation
119,815.24 : 165,353.05 = 68,844.47 : x - Step 2: Convert to fraction form
119,815.24/165,353.05 = 68,844.47/x - Step 3: Cross multiply
119,815.24x = 165,353.05 × 68,844.47 - Step 4: Simplify right side
119,815.24x = 11,383,643,262.24 - Step 5: Solve for x
x = 11,383,643,262.24/119,815.24 - Step 6: Final answer
x = 95,009.98
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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.