Finding the Fourth Proportional to 146,182.14, 201,731.38 and 79,114.14
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Solution
The fourth proportional to 146,182.14, 201,731.38 and 79,114.14 is: 109,177.53
Step by Step Solution
- Step 1: Write the proportion equation
146,182.14 : 201,731.38 = 79,114.14 : x - Step 2: Convert to fraction form
146,182.14/201,731.38 = 79,114.14/x - Step 3: Cross multiply
146,182.14x = 201,731.38 × 79,114.14 - Step 4: Simplify right side
146,182.14x = 15,959,804,441.93 - Step 5: Solve for x
x = 15,959,804,441.93/146,182.14 - Step 6: Final answer
x = 109,177.53
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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.