Finding the Fourth Proportional to 119,750.19, 165,251.71 and 66,035.19
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Solution
The fourth proportional to 119,750.19, 165,251.71 and 66,035.19 is: 91,126.60
Step by Step Solution
- Step 1: Write the proportion equation
119,750.19 : 165,251.71 = 66,035.19 : x - Step 2: Convert to fraction form
119,750.19/165,251.71 = 66,035.19/x - Step 3: Cross multiply
119,750.19x = 165,251.71 × 66,035.19 - Step 4: Simplify right side
119,750.19x = 10,912,428,067.67 - Step 5: Solve for x
x = 10,912,428,067.67/119,750.19 - Step 6: Final answer
x = 91,126.60
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1.5x scale
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.