Finding the Fourth Proportional to 141,457.63, 195,207.63 and 77,795.43
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Solution
The fourth proportional to 141,457.63, 195,207.63 and 77,795.43 is: 107,355.55
Step by Step Solution
- Step 1: Write the proportion equation
141,457.63 : 195,207.63 = 77,795.43 : x - Step 2: Convert to fraction form
141,457.63/195,207.63 = 77,795.43/x - Step 3: Cross multiply
141,457.63x = 195,207.63 × 77,795.43 - Step 4: Simplify right side
141,457.63x = 15,186,261,515.13 - Step 5: Solve for x
x = 15,186,261,515.13/141,457.63 - Step 6: Final answer
x = 107,355.55
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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.