Finding the Fourth Proportional to 135,988.75, 204,004.98 and 57,125.53
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Solution
The fourth proportional to 135,988.75, 204,004.98 and 57,125.53 is: 85,697.48
Step by Step Solution
- Step 1: Write the proportion equation
135,988.75 : 204,004.98 = 57,125.53 : x - Step 2: Convert to fraction form
135,988.75/204,004.98 = 57,125.53/x - Step 3: Cross multiply
135,988.75x = 204,004.98 × 57,125.53 - Step 4: Simplify right side
135,988.75x = 11,653,892,605.14 - Step 5: Solve for x
x = 11,653,892,605.14/135,988.75 - Step 6: Final answer
x = 85,697.48
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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.