Finding the Fourth Proportional to 135,177.35, 202,744.73 and 85,104.15
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Solution
The fourth proportional to 135,177.35, 202,744.73 and 85,104.15 is: 127,642.82
Step by Step Solution
- Step 1: Write the proportion equation
135,177.35 : 202,744.73 = 85,104.15 : x - Step 2: Convert to fraction form
135,177.35/202,744.73 = 85,104.15/x - Step 3: Cross multiply
135,177.35x = 202,744.73 × 85,104.15 - Step 4: Simplify right side
135,177.35x = 17,254,417,488.11 - Step 5: Solve for x
x = 17,254,417,488.11/135,177.35 - Step 6: Final answer
x = 127,642.82
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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.