Finding the Fourth Proportional to 119,943.63, 165,522.84 and 66,228.75
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Solution
The fourth proportional to 119,943.63, 165,522.84 and 66,228.75 is: 91,396.02
Step by Step Solution
- Step 1: Write the proportion equation
119,943.63 : 165,522.84 = 66,228.75 : x - Step 2: Convert to fraction form
119,943.63/165,522.84 = 66,228.75/x - Step 3: Cross multiply
119,943.63x = 165,522.84 × 66,228.75 - Step 4: Simplify right side
119,943.63x = 10,962,370,789.65 - Step 5: Solve for x
x = 10,962,370,789.65/119,943.63 - Step 6: Final answer
x = 91,396.02
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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.