Finding the Fourth Proportional to 141,518.91, 195,215.00 and 88,434.75
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Solution
The fourth proportional to 141,518.91, 195,215.00 and 88,434.75 is: 121,989.28
Step by Step Solution
- Step 1: Write the proportion equation
141,518.91 : 195,215.00 = 88,434.75 : x - Step 2: Convert to fraction form
141,518.91/195,215.00 = 88,434.75/x - Step 3: Cross multiply
141,518.91x = 195,215.00 × 88,434.75 - Step 4: Simplify right side
141,518.91x = 17,263,789,279.08 - Step 5: Solve for x
x = 17,263,789,279.08/141,518.91 - Step 6: Final answer
x = 121,989.28
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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.