Finding the Fourth Proportional to 146,124.99, 201,791.76 and 138,164.20
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Solution
The fourth proportional to 146,124.99, 201,791.76 and 138,164.20 is: 190,798.28
Step by Step Solution
- Step 1: Write the proportion equation
146,124.99 : 201,791.76 = 138,164.20 : x - Step 2: Convert to fraction form
146,124.99/201,791.76 = 138,164.20/x - Step 3: Cross multiply
146,124.99x = 201,791.76 × 138,164.20 - Step 4: Simplify right side
146,124.99x = 27,880,396,748.40 - Step 5: Solve for x
x = 27,880,396,748.40/146,124.99 - Step 6: Final answer
x = 190,798.28
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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.