Finding the Fourth Proportional to 134,286.53, 185,306.37 and 76,926.07
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Solution
The fourth proportional to 134,286.53, 185,306.37 and 76,926.07 is: 106,152.80
Step by Step Solution
- Step 1: Write the proportion equation
134,286.53 : 185,306.37 = 76,926.07 : x - Step 2: Convert to fraction form
134,286.53/185,306.37 = 76,926.07/x - Step 3: Cross multiply
134,286.53x = 185,306.37 × 76,926.07 - Step 4: Simplify right side
134,286.53x = 14,254,890,733.23 - Step 5: Solve for x
x = 14,254,890,733.23/134,286.53 - Step 6: Final answer
x = 106,152.80
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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.