Finding the Fourth Proportional to 156,840.99, 235,129.23 and 68,027.60
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Solution
The fourth proportional to 156,840.99, 235,129.23 and 68,027.60 is: 101,984.04
Step by Step Solution
- Step 1: Write the proportion equation
156,840.99 : 235,129.23 = 68,027.60 : x - Step 2: Convert to fraction form
156,840.99/235,129.23 = 68,027.60/x - Step 3: Cross multiply
156,840.99x = 235,129.23 × 68,027.60 - Step 4: Simplify right side
156,840.99x = 15,995,277,206.75 - Step 5: Solve for x
x = 15,995,277,206.75/156,840.99 - Step 6: Final answer
x = 101,984.04
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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.