Finding the Fourth Proportional to 119,137.84, 164,423.34 and 68,155.28
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Solution
The fourth proportional to 119,137.84, 164,423.34 and 68,155.28 is: 94,061.79
Step by Step Solution
- Step 1: Write the proportion equation
119,137.84 : 164,423.34 = 68,155.28 : x - Step 2: Convert to fraction form
119,137.84/164,423.34 = 68,155.28/x - Step 3: Cross multiply
119,137.84x = 164,423.34 × 68,155.28 - Step 4: Simplify right side
119,137.84x = 11,206,318,776.24 - Step 5: Solve for x
x = 11,206,318,776.24/119,137.84 - Step 6: Final answer
x = 94,061.79
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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.