Finding the Fourth Proportional to 135,027.90, 202,444.65 and 75,881.70
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Solution
The fourth proportional to 135,027.90, 202,444.65 and 75,881.70 is: 113,767.93
Step by Step Solution
- Step 1: Write the proportion equation
135,027.90 : 202,444.65 = 75,881.70 : x - Step 2: Convert to fraction form
135,027.90/202,444.65 = 75,881.70/x - Step 3: Cross multiply
135,027.90x = 202,444.65 × 75,881.70 - Step 4: Simplify right side
135,027.90x = 15,361,844,197.91 - Step 5: Solve for x
x = 15,361,844,197.91/135,027.90 - Step 6: Final answer
x = 113,767.93
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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.