Finding the Fourth Proportional to 108,074.20, 149,144.69 and 59,675.99
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Solution
The fourth proportional to 108,074.20, 149,144.69 and 59,675.99 is: 82,354.14
Step by Step Solution
- Step 1: Write the proportion equation
108,074.20 : 149,144.69 = 59,675.99 : x - Step 2: Convert to fraction form
108,074.20/149,144.69 = 59,675.99/x - Step 3: Cross multiply
108,074.20x = 149,144.69 × 59,675.99 - Step 4: Simplify right side
108,074.20x = 8,900,357,271.40 - Step 5: Solve for x
x = 8,900,357,271.40/108,074.20 - Step 6: Final answer
x = 82,354.14
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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.