Finding the Fourth Proportional to 141,767.24, 195,639.27 and 78,104.88
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Solution
The fourth proportional to 141,767.24, 195,639.27 and 78,104.88 is: 107,785.00
Step by Step Solution
- Step 1: Write the proportion equation
141,767.24 : 195,639.27 = 78,104.88 : x - Step 2: Convert to fraction form
141,767.24/195,639.27 = 78,104.88/x - Step 3: Cross multiply
141,767.24x = 195,639.27 × 78,104.88 - Step 4: Simplify right side
141,767.24x = 15,280,381,706.64 - Step 5: Solve for x
x = 15,280,381,706.64/141,767.24 - Step 6: Final answer
x = 107,785.00
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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.