Finding the Fourth Proportional to 119,135.84, 164,420.58 and 68,153.27
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Solution
The fourth proportional to 119,135.84, 164,420.58 and 68,153.27 is: 94,059.02
Step by Step Solution
- Step 1: Write the proportion equation
119,135.84 : 164,420.58 = 68,153.27 : x - Step 2: Convert to fraction form
119,135.84/164,420.58 = 68,153.27/x - Step 3: Cross multiply
119,135.84x = 164,420.58 × 68,153.27 - Step 4: Simplify right side
119,135.84x = 11,205,800,182.30 - Step 5: Solve for x
x = 11,205,800,182.30/119,135.84 - Step 6: Final answer
x = 94,059.02
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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.