Finding the Fourth Proportional to 134,681.94, 201,764.12 and 75,337.70
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Solution
The fourth proportional to 134,681.94, 201,764.12 and 75,337.70 is: 112,861.78
Step by Step Solution
- Step 1: Write the proportion equation
134,681.94 : 201,764.12 = 75,337.70 : x - Step 2: Convert to fraction form
134,681.94/201,764.12 = 75,337.70/x - Step 3: Cross multiply
134,681.94x = 201,764.12 × 75,337.70 - Step 4: Simplify right side
134,681.94x = 15,200,443,357.81 - Step 5: Solve for x
x = 15,200,443,357.81/134,681.94 - Step 6: Final answer
x = 112,861.78
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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.