Finding the Fourth Proportional to 146,134.02, 201,804.23 and 138,173.23
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Solution
The fourth proportional to 146,134.02, 201,804.23 and 138,173.23 is: 190,810.75
Step by Step Solution
- Step 1: Write the proportion equation
146,134.02 : 201,804.23 = 138,173.23 : x - Step 2: Convert to fraction form
146,134.02/201,804.23 = 138,173.23/x - Step 3: Cross multiply
146,134.02x = 201,804.23 × 138,173.23 - Step 4: Simplify right side
146,134.02x = 27,883,940,972.08 - Step 5: Solve for x
x = 27,883,940,972.08/146,134.02 - Step 6: Final answer
x = 190,810.75
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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.