Finding the Fourth Proportional to 135,108.58, 186,451.20 and 73,856.53
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Solution
The fourth proportional to 135,108.58, 186,451.20 and 73,856.53 is: 101,922.75
Step by Step Solution
- Step 1: Write the proportion equation
135,108.58 : 186,451.20 = 73,856.53 : x - Step 2: Convert to fraction form
135,108.58/186,451.20 = 73,856.53/x - Step 3: Cross multiply
135,108.58x = 186,451.20 × 73,856.53 - Step 4: Simplify right side
135,108.58x = 13,770,638,646.34 - Step 5: Solve for x
x = 13,770,638,646.34/135,108.58 - Step 6: Final answer
x = 101,922.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.