Finding the Fourth Proportional to 125,116.95, 187,204.56 and 87,749.95
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Solution
The fourth proportional to 125,116.95, 187,204.56 and 87,749.95 is: 131,294.69
Step by Step Solution
- Step 1: Write the proportion equation
125,116.95 : 187,204.56 = 87,749.95 : x - Step 2: Convert to fraction form
125,116.95/187,204.56 = 87,749.95/x - Step 3: Cross multiply
125,116.95x = 187,204.56 × 87,749.95 - Step 4: Simplify right side
125,116.95x = 16,427,190,779.77 - Step 5: Solve for x
x = 16,427,190,779.77/125,116.95 - Step 6: Final answer
x = 131,294.69
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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.