Finding the Fourth Proportional to 134,455.40, 201,683.10 and 87,453.80
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Solution
The fourth proportional to 134,455.40, 201,683.10 and 87,453.80 is: 131,180.70
Step by Step Solution
- Step 1: Write the proportion equation
134,455.40 : 201,683.10 = 87,453.80 : x - Step 2: Convert to fraction form
134,455.40/201,683.10 = 87,453.80/x - Step 3: Cross multiply
134,455.40x = 201,683.10 × 87,453.80 - Step 4: Simplify right side
134,455.40x = 17,637,953,490.78 - Step 5: Solve for x
x = 17,637,953,490.78/134,455.40 - Step 6: Final answer
x = 131,180.70
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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.