Finding the Fourth Proportional to 122,995.70, 184,493.55 and 101,125.70
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Solution
The fourth proportional to 122,995.70, 184,493.55 and 101,125.70 is: 151,688.55
Step by Step Solution
- Step 1: Write the proportion equation
122,995.70 : 184,493.55 = 101,125.70 : x - Step 2: Convert to fraction form
122,995.70/184,493.55 = 101,125.70/x - Step 3: Cross multiply
122,995.70x = 184,493.55 × 101,125.70 - Step 4: Simplify right side
122,995.70x = 18,657,039,389.24 - Step 5: Solve for x
x = 18,657,039,389.24/122,995.70 - Step 6: Final answer
x = 151,688.55
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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.