Finding the Fourth Proportional to 134,613.30, 185,765.49 and 74,184.42
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Solution
The fourth proportional to 134,613.30, 185,765.49 and 74,184.42 is: 102,374.02
Step by Step Solution
- Step 1: Write the proportion equation
134,613.30 : 185,765.49 = 74,184.42 : x - Step 2: Convert to fraction form
134,613.30/185,765.49 = 74,184.42/x - Step 3: Cross multiply
134,613.30x = 185,765.49 × 74,184.42 - Step 4: Simplify right side
134,613.30x = 13,780,905,131.67 - Step 5: Solve for x
x = 13,780,905,131.67/134,613.30 - Step 6: Final answer
x = 102,374.02
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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.