Finding the Fourth Proportional to 119,850.40, 165,393.64 and 68,866.48
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Solution
The fourth proportional to 119,850.40, 165,393.64 and 68,866.48 is: 95,035.79
Step by Step Solution
- Step 1: Write the proportion equation
119,850.40 : 165,393.64 = 68,866.48 : x - Step 2: Convert to fraction form
119,850.40/165,393.64 = 68,866.48/x - Step 3: Cross multiply
119,850.40x = 165,393.64 × 68,866.48 - Step 4: Simplify right side
119,850.40x = 11,390,077,801.19 - Step 5: Solve for x
x = 11,390,077,801.19/119,850.40 - Step 6: Final answer
x = 95,035.79
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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.