Finding the Fourth Proportional to 141,940.68, 195,875.61 and 77,410.41
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Solution
The fourth proportional to 141,940.68, 195,875.61 and 77,410.41 is: 106,824.99
Step by Step Solution
- Step 1: Write the proportion equation
141,940.68 : 195,875.61 = 77,410.41 : x - Step 2: Convert to fraction form
141,940.68/195,875.61 = 77,410.41/x - Step 3: Cross multiply
141,940.68x = 195,875.61 × 77,410.41 - Step 4: Simplify right side
141,940.68x = 15,162,811,279.10 - Step 5: Solve for x
x = 15,162,811,279.10/141,940.68 - Step 6: Final answer
x = 106,824.99
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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.