Finding the Fourth Proportional to 122,980.70, 184,471.05 and 101,110.70
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Solution
The fourth proportional to 122,980.70, 184,471.05 and 101,110.70 is: 151,666.05
Step by Step Solution
- Step 1: Write the proportion equation
122,980.70 : 184,471.05 = 101,110.70 : x - Step 2: Convert to fraction form
122,980.70/184,471.05 = 101,110.70/x - Step 3: Cross multiply
122,980.70x = 184,471.05 × 101,110.70 - Step 4: Simplify right side
122,980.70x = 18,651,996,995.24 - Step 5: Solve for x
x = 18,651,996,995.24/122,980.70 - Step 6: Final answer
x = 151,666.05
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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.