Finding the Fourth Proportional to 141,457.19, 195,207.01 and 77,795.03
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Solution
The fourth proportional to 141,457.19, 195,207.01 and 77,795.03 is: 107,355.00
Step by Step Solution
- Step 1: Write the proportion equation
141,457.19 : 195,207.01 = 77,795.03 : x - Step 2: Convert to fraction form
141,457.19/195,207.01 = 77,795.03/x - Step 3: Cross multiply
141,457.19x = 195,207.01 × 77,795.03 - Step 4: Simplify right side
141,457.19x = 15,186,135,930.29 - Step 5: Solve for x
x = 15,186,135,930.29/141,457.19 - Step 6: Final answer
x = 107,355.00
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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.