Finding the Fourth Proportional to 120,720.24, 181,258.11 and 67,516.46
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Solution
The fourth proportional to 120,720.24, 181,258.11 and 67,516.46 is: 101,374.09
Step by Step Solution
- Step 1: Write the proportion equation
120,720.24 : 181,258.11 = 67,516.46 : x - Step 2: Convert to fraction form
120,720.24/181,258.11 = 67,516.46/x - Step 3: Cross multiply
120,720.24x = 181,258.11 × 67,516.46 - Step 4: Simplify right side
120,720.24x = 12,237,905,027.20 - Step 5: Solve for x
x = 12,237,905,027.20/120,720.24 - Step 6: Final answer
x = 101,374.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.