Finding the Fourth Proportional to 145,758.99, 218,462.99 and 66,764.55
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Solution
The fourth proportional to 145,758.99, 218,462.99 and 66,764.55 is: 100,066.44
Step by Step Solution
- Step 1: Write the proportion equation
145,758.99 : 218,462.99 = 66,764.55 : x - Step 2: Convert to fraction form
145,758.99/218,462.99 = 66,764.55/x - Step 3: Cross multiply
145,758.99x = 218,462.99 × 66,764.55 - Step 4: Simplify right side
145,758.99x = 14,585,582,885.18 - Step 5: Solve for x
x = 14,585,582,885.18/145,758.99 - Step 6: Final answer
x = 100,066.44
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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.