Finding the Fourth Proportional to 134,781.21, 202,128.03 and 44,799.75
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Solution
The fourth proportional to 134,781.21, 202,128.03 and 44,799.75 is: 67,185.07
Step by Step Solution
- Step 1: Write the proportion equation
134,781.21 : 202,128.03 = 44,799.75 : x - Step 2: Convert to fraction form
134,781.21/202,128.03 = 44,799.75/x - Step 3: Cross multiply
134,781.21x = 202,128.03 × 44,799.75 - Step 4: Simplify right side
134,781.21x = 9,055,285,211.99 - Step 5: Solve for x
x = 9,055,285,211.99/134,781.21 - Step 6: Final answer
x = 67,185.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.