Finding the Fourth Proportional to 146,497.75, 202,166.90 and 79,429.75
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Solution
The fourth proportional to 146,497.75, 202,166.90 and 79,429.75 is: 109,613.06
Step by Step Solution
- Step 1: Write the proportion equation
146,497.75 : 202,166.90 = 79,429.75 : x - Step 2: Convert to fraction form
146,497.75/202,166.90 = 79,429.75/x - Step 3: Cross multiply
146,497.75x = 202,166.90 × 79,429.75 - Step 4: Simplify right side
146,497.75x = 16,058,066,325.28 - Step 5: Solve for x
x = 16,058,066,325.28/146,497.75 - Step 6: Final answer
x = 109,613.06
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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.