Finding the Fourth Proportional to 141,881.55, 195,923.13 and 135,159.63
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Solution
The fourth proportional to 141,881.55, 195,923.13 and 135,159.63 is: 186,640.88
Step by Step Solution
- Step 1: Write the proportion equation
141,881.55 : 195,923.13 = 135,159.63 : x - Step 2: Convert to fraction form
141,881.55/195,923.13 = 135,159.63/x - Step 3: Cross multiply
141,881.55x = 195,923.13 × 135,159.63 - Step 4: Simplify right side
141,881.55x = 26,480,897,759.24 - Step 5: Solve for x
x = 26,480,897,759.24/141,881.55 - Step 6: Final answer
x = 186,640.88
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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.