Finding the Fourth Proportional to 106,757.90, 147,230.47 and 88,579.84
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Solution
The fourth proportional to 106,757.90, 147,230.47 and 88,579.84 is: 122,160.99
Step by Step Solution
- Step 1: Write the proportion equation
106,757.90 : 147,230.47 = 88,579.84 : x - Step 2: Convert to fraction form
106,757.90/147,230.47 = 88,579.84/x - Step 3: Cross multiply
106,757.90x = 147,230.47 × 88,579.84 - Step 4: Simplify right side
106,757.90x = 13,041,650,886.20 - Step 5: Solve for x
x = 13,041,650,886.20/106,757.90 - Step 6: Final answer
x = 122,160.99
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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.