Finding the Fourth Proportional to 142,597.21, 214,106.08 and 79,540.53
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Solution
The fourth proportional to 142,597.21, 214,106.08 and 79,540.53 is: 119,428.07
Step by Step Solution
- Step 1: Write the proportion equation
142,597.21 : 214,106.08 = 79,540.53 : x - Step 2: Convert to fraction form
142,597.21/214,106.08 = 79,540.53/x - Step 3: Cross multiply
142,597.21x = 214,106.08 × 79,540.53 - Step 4: Simplify right side
142,597.21x = 17,030,109,611.19 - Step 5: Solve for x
x = 17,030,109,611.19/142,597.21 - Step 6: Final answer
x = 119,428.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.