Finding the Fourth Proportional to 121,203.53, 181,839.86 and 41,259.05
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Solution
The fourth proportional to 121,203.53, 181,839.86 and 41,259.05 is: 61,900.34
Step by Step Solution
- Step 1: Write the proportion equation
121,203.53 : 181,839.86 = 41,259.05 : x - Step 2: Convert to fraction form
121,203.53/181,839.86 = 41,259.05/x - Step 3: Cross multiply
121,203.53x = 181,839.86 × 41,259.05 - Step 4: Simplify right side
121,203.53x = 7,502,539,669.44 - Step 5: Solve for x
x = 7,502,539,669.44/121,203.53 - Step 6: Final answer
x = 61,900.34
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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.