Finding the Fourth Proportional to 146,135.15, 201,644.87 and 88,744.62
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Solution
The fourth proportional to 146,135.15, 201,644.87 and 88,744.62 is: 122,454.44
Step by Step Solution
- Step 1: Write the proportion equation
146,135.15 : 201,644.87 = 88,744.62 : x - Step 2: Convert to fraction form
146,135.15/201,644.87 = 88,744.62/x - Step 3: Cross multiply
146,135.15x = 201,644.87 × 88,744.62 - Step 4: Simplify right side
146,135.15x = 17,894,897,363.10 - Step 5: Solve for x
x = 17,894,897,363.10/146,135.15 - Step 6: Final answer
x = 122,454.44
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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.