Finding the Fourth Proportional to 146,001.60, 201,452.12 and 83,900.08
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Solution
The fourth proportional to 146,001.60, 201,452.12 and 83,900.08 is: 115,764.82
Step by Step Solution
- Step 1: Write the proportion equation
146,001.60 : 201,452.12 = 83,900.08 : x - Step 2: Convert to fraction form
146,001.60/201,452.12 = 83,900.08/x - Step 3: Cross multiply
146,001.60x = 201,452.12 × 83,900.08 - Step 4: Simplify right side
146,001.60x = 16,901,848,984.17 - Step 5: Solve for x
x = 16,901,848,984.17/146,001.60 - Step 6: Final answer
x = 115,764.82
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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.