Finding the Fourth Proportional to 134,793.90, 186,013.82 and 74,367.09
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Solution
The fourth proportional to 134,793.90, 186,013.82 and 74,367.09 is: 102,625.61
Step by Step Solution
- Step 1: Write the proportion equation
134,793.90 : 186,013.82 = 74,367.09 : x - Step 2: Convert to fraction form
134,793.90/186,013.82 = 74,367.09/x - Step 3: Cross multiply
134,793.90x = 186,013.82 × 74,367.09 - Step 4: Simplify right side
134,793.90x = 13,833,306,679.10 - Step 5: Solve for x
x = 13,833,306,679.10/134,793.90 - Step 6: Final answer
x = 102,625.61
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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.