Finding the Fourth Proportional to 141,419.68, 195,157.58 and 105,282.70
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Solution
The fourth proportional to 141,419.68, 195,157.58 and 105,282.70 is: 145,288.95
Step by Step Solution
- Step 1: Write the proportion equation
141,419.68 : 195,157.58 = 105,282.70 : x - Step 2: Convert to fraction form
141,419.68/195,157.58 = 105,282.70/x - Step 3: Cross multiply
141,419.68x = 195,157.58 × 105,282.70 - Step 4: Simplify right side
141,419.68x = 20,546,715,933.56 - Step 5: Solve for x
x = 20,546,715,933.56/141,419.68 - Step 6: Final answer
x = 145,288.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.