Finding the Fourth Proportional to 121,943.58, 182,749.16 and 58,759.09
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Solution
The fourth proportional to 121,943.58, 182,749.16 and 58,759.09 is: 88,058.55
Step by Step Solution
- Step 1: Write the proportion equation
121,943.58 : 182,749.16 = 58,759.09 : x - Step 2: Convert to fraction form
121,943.58/182,749.16 = 58,759.09/x - Step 3: Cross multiply
121,943.58x = 182,749.16 × 58,759.09 - Step 4: Simplify right side
121,943.58x = 10,738,174,029.89 - Step 5: Solve for x
x = 10,738,174,029.89/121,943.58 - Step 6: Final answer
x = 88,058.55
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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.