Finding the Fourth Proportional to 173,610.36, 239,589.12 and 101,989.76
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Solution
The fourth proportional to 173,610.36, 239,589.12 and 101,989.76 is: 140,749.88
Step by Step Solution
- Step 1: Write the proportion equation
173,610.36 : 239,589.12 = 101,989.76 : x - Step 2: Convert to fraction form
173,610.36/239,589.12 = 101,989.76/x - Step 3: Cross multiply
173,610.36x = 239,589.12 × 101,989.76 - Step 4: Simplify right side
173,610.36x = 24,435,636,847.41 - Step 5: Solve for x
x = 24,435,636,847.41/173,610.36 - Step 6: Final answer
x = 140,749.88
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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.