Finding the Fourth Proportional to 146,476.60, 202,107.90 and 86,057.08
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Solution
The fourth proportional to 146,476.60, 202,107.90 and 86,057.08 is: 118,741.26
Step by Step Solution
- Step 1: Write the proportion equation
146,476.60 : 202,107.90 = 86,057.08 : x - Step 2: Convert to fraction form
146,476.60/202,107.90 = 86,057.08/x - Step 3: Cross multiply
146,476.60x = 202,107.90 × 86,057.08 - Step 4: Simplify right side
146,476.60x = 17,392,815,718.93 - Step 5: Solve for x
x = 17,392,815,718.93/146,476.60 - Step 6: Final answer
x = 118,741.26
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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.