Finding the Fourth Proportional to 107,343.94, 148,135.26 and 58,947.94
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Solution
The fourth proportional to 107,343.94, 148,135.26 and 58,947.94 is: 81,348.50
Step by Step Solution
- Step 1: Write the proportion equation
107,343.94 : 148,135.26 = 58,947.94 : x - Step 2: Convert to fraction form
107,343.94/148,135.26 = 58,947.94/x - Step 3: Cross multiply
107,343.94x = 148,135.26 × 58,947.94 - Step 4: Simplify right side
107,343.94x = 8,732,268,418.36 - Step 5: Solve for x
x = 8,732,268,418.36/107,343.94 - Step 6: Final answer
x = 81,348.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.