Finding the Fourth Proportional to 119,708.25, 165,197.88 and 65,992.08
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Solution
The fourth proportional to 119,708.25, 165,197.88 and 65,992.08 is: 91,069.34
Step by Step Solution
- Step 1: Write the proportion equation
119,708.25 : 165,197.88 = 65,992.08 : x - Step 2: Convert to fraction form
119,708.25/165,197.88 = 65,992.08/x - Step 3: Cross multiply
119,708.25x = 165,197.88 × 65,992.08 - Step 4: Simplify right side
119,708.25x = 10,901,751,712.79 - Step 5: Solve for x
x = 10,901,751,712.79/119,708.25 - Step 6: Final answer
x = 91,069.34
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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.