Finding the Fourth Proportional to 130,441.14, 195,700.73 and 74,998.26
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Solution
The fourth proportional to 130,441.14, 195,700.73 and 74,998.26 is: 112,519.82
Step by Step Solution
- Step 1: Write the proportion equation
130,441.14 : 195,700.73 = 74,998.26 : x - Step 2: Convert to fraction form
130,441.14/195,700.73 = 74,998.26/x - Step 3: Cross multiply
130,441.14x = 195,700.73 × 74,998.26 - Step 4: Simplify right side
130,441.14x = 14,677,213,855.74 - Step 5: Solve for x
x = 14,677,213,855.74/130,441.14 - Step 6: Final answer
x = 112,519.82
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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.