Finding the Fourth Proportional to 135,150.12, 202,909.05 and 76,027.41
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Solution
The fourth proportional to 135,150.12, 202,909.05 and 76,027.41 is: 114,144.55
Step by Step Solution
- Step 1: Write the proportion equation
135,150.12 : 202,909.05 = 76,027.41 : x - Step 2: Convert to fraction form
135,150.12/202,909.05 = 76,027.41/x - Step 3: Cross multiply
135,150.12x = 202,909.05 × 76,027.41 - Step 4: Simplify right side
135,150.12x = 15,426,649,537.06 - Step 5: Solve for x
x = 15,426,649,537.06/135,150.12 - Step 6: Final answer
x = 114,144.55
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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.