Finding the Fourth Proportional to 173,849.90, 239,918.76 and 102,236.58
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Solution
The fourth proportional to 173,849.90, 239,918.76 and 102,236.58 is: 141,089.95
Step by Step Solution
- Step 1: Write the proportion equation
173,849.90 : 239,918.76 = 102,236.58 : x - Step 2: Convert to fraction form
173,849.90/239,918.76 = 102,236.58/x - Step 3: Cross multiply
173,849.90x = 239,918.76 × 102,236.58 - Step 4: Simplify right side
173,849.90x = 24,528,473,500.24 - Step 5: Solve for x
x = 24,528,473,500.24/173,849.90 - Step 6: Final answer
x = 141,089.95
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1.5x scale
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.