Finding the Fourth Proportional to 145,763.96, 201,156.84 and 82,104.03
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Solution
The fourth proportional to 145,763.96, 201,156.84 and 82,104.03 is: 113,305.02
Step by Step Solution
- Step 1: Write the proportion equation
145,763.96 : 201,156.84 = 82,104.03 : x - Step 2: Convert to fraction form
145,763.96/201,156.84 = 82,104.03/x - Step 3: Cross multiply
145,763.96x = 201,156.84 × 82,104.03 - Step 4: Simplify right side
145,763.96x = 16,515,787,226.07 - Step 5: Solve for x
x = 16,515,787,226.07/145,763.96 - Step 6: Final answer
x = 113,305.02
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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.