Finding the Fourth Proportional to 121,266.88, 182,014.08 and 74,610.88
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Solution
The fourth proportional to 121,266.88, 182,014.08 and 74,610.88 is: 111,986.31
Step by Step Solution
- Step 1: Write the proportion equation
121,266.88 : 182,014.08 = 74,610.88 : x - Step 2: Convert to fraction form
121,266.88/182,014.08 = 74,610.88/x - Step 3: Cross multiply
121,266.88x = 182,014.08 × 74,610.88 - Step 4: Simplify right side
121,266.88x = 13,580,230,681.19 - Step 5: Solve for x
x = 13,580,230,681.19/121,266.88 - Step 6: Final answer
x = 111,986.31
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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.