Finding the Fourth Proportional to 146,145.06, 201,680.07 and 79,077.06
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Solution
The fourth proportional to 146,145.06, 201,680.07 and 79,077.06 is: 109,126.28
Step by Step Solution
- Step 1: Write the proportion equation
146,145.06 : 201,680.07 = 79,077.06 : x - Step 2: Convert to fraction form
146,145.06/201,680.07 = 79,077.06/x - Step 3: Cross multiply
146,145.06x = 201,680.07 × 79,077.06 - Step 4: Simplify right side
146,145.06x = 15,948,266,996.19 - Step 5: Solve for x
x = 15,948,266,996.19/146,145.06 - Step 6: Final answer
x = 109,126.28
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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.