Finding the Fourth Proportional to 134,641.80, 201,962.70 and 113,905.80
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Solution
The fourth proportional to 134,641.80, 201,962.70 and 113,905.80 is: 170,858.70
Step by Step Solution
- Step 1: Write the proportion equation
134,641.80 : 201,962.70 = 113,905.80 : x - Step 2: Convert to fraction form
134,641.80/201,962.70 = 113,905.80/x - Step 3: Cross multiply
134,641.80x = 201,962.70 × 113,905.80 - Step 4: Simplify right side
134,641.80x = 23,004,722,913.66 - Step 5: Solve for x
x = 23,004,722,913.66/134,641.80 - Step 6: Final answer
x = 170,858.70
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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.