Finding the Fourth Proportional to 120,902.36, 181,353.30 and 32,155.95
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Solution
The fourth proportional to 120,902.36, 181,353.30 and 32,155.95 is: 48,233.86
Step by Step Solution
- Step 1: Write the proportion equation
120,902.36 : 181,353.30 = 32,155.95 : x - Step 2: Convert to fraction form
120,902.36/181,353.30 = 32,155.95/x - Step 3: Cross multiply
120,902.36x = 181,353.30 × 32,155.95 - Step 4: Simplify right side
120,902.36x = 5,831,587,647.14 - Step 5: Solve for x
x = 5,831,587,647.14/120,902.36 - Step 6: Final answer
x = 48,233.86
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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.