Finding the Fourth Proportional to 134,386.88, 201,432.64 and 55,458.40
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Solution
The fourth proportional to 134,386.88, 201,432.64 and 55,458.40 is: 83,126.66
Step by Step Solution
- Step 1: Write the proportion equation
134,386.88 : 201,432.64 = 55,458.40 : x - Step 2: Convert to fraction form
134,386.88/201,432.64 = 55,458.40/x - Step 3: Cross multiply
134,386.88x = 201,432.64 × 55,458.40 - Step 4: Simplify right side
134,386.88x = 11,171,131,922.18 - Step 5: Solve for x
x = 11,171,131,922.18/134,386.88 - Step 6: Final answer
x = 83,126.66
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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.