Finding the Fourth Proportional to 134,135.70, 201,130.65 and 55,257.90
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Solution
The fourth proportional to 134,135.70, 201,130.65 and 55,257.90 is: 82,856.82
Step by Step Solution
- Step 1: Write the proportion equation
134,135.70 : 201,130.65 = 55,257.90 : x - Step 2: Convert to fraction form
134,135.70/201,130.65 = 55,257.90/x - Step 3: Cross multiply
134,135.70x = 201,130.65 × 55,257.90 - Step 4: Simplify right side
134,135.70x = 11,114,057,344.64 - Step 5: Solve for x
x = 11,114,057,344.64/134,135.70 - Step 6: Final answer
x = 82,856.82
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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.