Finding the Fourth Proportional to 120,803.56, 181,068.62 and 61,513.99
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Solution
The fourth proportional to 120,803.56, 181,068.62 and 61,513.99 is: 92,201.36
Step by Step Solution
- Step 1: Write the proportion equation
120,803.56 : 181,068.62 = 61,513.99 : x - Step 2: Convert to fraction form
120,803.56/181,068.62 = 61,513.99/x - Step 3: Cross multiply
120,803.56x = 181,068.62 × 61,513.99 - Step 4: Simplify right side
120,803.56x = 11,138,252,519.75 - Step 5: Solve for x
x = 11,138,252,519.75/120,803.56 - Step 6: Final answer
x = 92,201.36
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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.