Finding the Fourth Proportional to 122,903.52, 184,059.84 and 70,152.96
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Solution
The fourth proportional to 122,903.52, 184,059.84 and 70,152.96 is: 105,060.80
Step by Step Solution
- Step 1: Write the proportion equation
122,903.52 : 184,059.84 = 70,152.96 : x - Step 2: Convert to fraction form
122,903.52/184,059.84 = 70,152.96/x - Step 3: Cross multiply
122,903.52x = 184,059.84 × 70,152.96 - Step 4: Simplify right side
122,903.52x = 12,912,342,593.13 - Step 5: Solve for x
x = 12,912,342,593.13/122,903.52 - Step 6: Final answer
x = 105,060.80
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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.