Finding the Fourth Proportional to 122,137.80, 183,206.70 and 59,929.80
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Solution
The fourth proportional to 122,137.80, 183,206.70 and 59,929.80 is: 89,894.70
Step by Step Solution
- Step 1: Write the proportion equation
122,137.80 : 183,206.70 = 59,929.80 : x - Step 2: Convert to fraction form
122,137.80/183,206.70 = 59,929.80/x - Step 3: Cross multiply
122,137.80x = 183,206.70 × 59,929.80 - Step 4: Simplify right side
122,137.80x = 10,979,540,889.66 - Step 5: Solve for x
x = 10,979,540,889.66/122,137.80 - Step 6: Final answer
x = 89,894.70
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1.5x scale
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.