Finding the Fourth Proportional to 111,201.21, 153,457.40 and 60,213.99
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Solution
The fourth proportional to 111,201.21, 153,457.40 and 60,213.99 is: 83,095.16
Step by Step Solution
- Step 1: Write the proportion equation
111,201.21 : 153,457.40 = 60,213.99 : x - Step 2: Convert to fraction form
111,201.21/153,457.40 = 60,213.99/x - Step 3: Cross multiply
111,201.21x = 153,457.40 × 60,213.99 - Step 4: Simplify right side
111,201.21x = 9,240,282,047.96 - Step 5: Solve for x
x = 9,240,282,047.96/111,201.21 - Step 6: Final answer
x = 83,095.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.