Finding the Fourth Proportional to 129,010.60, 193,515.90 and 97,517.80
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Solution
The fourth proportional to 129,010.60, 193,515.90 and 97,517.80 is: 146,276.70
Step by Step Solution
- Step 1: Write the proportion equation
129,010.60 : 193,515.90 = 97,517.80 : x - Step 2: Convert to fraction form
129,010.60/193,515.90 = 97,517.80/x - Step 3: Cross multiply
129,010.60x = 193,515.90 × 97,517.80 - Step 4: Simplify right side
129,010.60x = 18,871,244,833.02 - Step 5: Solve for x
x = 18,871,244,833.02/129,010.60 - Step 6: Final answer
x = 146,276.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.