Finding the Fourth Proportional to 146,044.17, 201,540.87 and 78,976.17
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Solution
The fourth proportional to 146,044.17, 201,540.87 and 78,976.17 is: 108,987.07
Step by Step Solution
- Step 1: Write the proportion equation
146,044.17 : 201,540.87 = 78,976.17 : x - Step 2: Convert to fraction form
146,044.17/201,540.87 = 78,976.17/x - Step 3: Cross multiply
146,044.17x = 201,540.87 × 78,976.17 - Step 4: Simplify right side
146,044.17x = 15,916,926,011.07 - Step 5: Solve for x
x = 15,916,926,011.07/146,044.17 - Step 6: Final answer
x = 108,987.07
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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.