Finding the Fourth Proportional to 134,605.68, 185,757.09 and 74,178.49
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Solution
The fourth proportional to 134,605.68, 185,757.09 and 74,178.49 is: 102,367.01
Step by Step Solution
- Step 1: Write the proportion equation
134,605.68 : 185,757.09 = 74,178.49 : x - Step 2: Convert to fraction form
134,605.68/185,757.09 = 74,178.49/x - Step 3: Cross multiply
134,605.68x = 185,757.09 × 74,178.49 - Step 4: Simplify right side
134,605.68x = 13,779,180,442.99 - Step 5: Solve for x
x = 13,779,180,442.99/134,605.68 - Step 6: Final answer
x = 102,367.01
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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.