Finding the Fourth Proportional to 146,888.62, 202,707.58 and 79,820.62
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Solution
The fourth proportional to 146,888.62, 202,707.58 and 79,820.62 is: 110,153.15
Step by Step Solution
- Step 1: Write the proportion equation
146,888.62 : 202,707.58 = 79,820.62 : x - Step 2: Convert to fraction form
146,888.62/202,707.58 = 79,820.62/x - Step 3: Cross multiply
146,888.62x = 202,707.58 × 79,820.62 - Step 4: Simplify right side
146,888.62x = 16,180,244,714.30 - Step 5: Solve for x
x = 16,180,244,714.30/146,888.62 - Step 6: Final answer
x = 110,153.15
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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.