Finding the Fourth Proportional to 119,806.48, 165,332.97 and 66,091.63
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Solution
The fourth proportional to 119,806.48, 165,332.97 and 66,091.63 is: 91,206.46
Step by Step Solution
- Step 1: Write the proportion equation
119,806.48 : 165,332.97 = 66,091.63 : x - Step 2: Convert to fraction form
119,806.48/165,332.97 = 66,091.63/x - Step 3: Cross multiply
119,806.48x = 165,332.97 × 66,091.63 - Step 4: Simplify right side
119,806.48x = 10,927,125,480.04 - Step 5: Solve for x
x = 10,927,125,480.04/119,806.48 - Step 6: Final answer
x = 91,206.46
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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.