Finding the Fourth Proportional to 156,102.20, 234,152.95 and 120,615.08
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Solution
The fourth proportional to 156,102.20, 234,152.95 and 120,615.08 is: 180,922.35
Step by Step Solution
- Step 1: Write the proportion equation
156,102.20 : 234,152.95 = 120,615.08 : x - Step 2: Convert to fraction form
156,102.20/234,152.95 = 120,615.08/x - Step 3: Cross multiply
156,102.20x = 234,152.95 × 120,615.08 - Step 4: Simplify right side
156,102.20x = 28,242,376,796.49 - Step 5: Solve for x
x = 28,242,376,796.49/156,102.20 - Step 6: Final answer
x = 180,922.35
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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.