Finding the Fourth Proportional to 136,088.46, 187,801.74 and 75,664.62
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Solution
The fourth proportional to 136,088.46, 187,801.74 and 75,664.62 is: 104,416.99
Step by Step Solution
- Step 1: Write the proportion equation
136,088.46 : 187,801.74 = 75,664.62 : x - Step 2: Convert to fraction form
136,088.46/187,801.74 = 75,664.62/x - Step 3: Cross multiply
136,088.46x = 187,801.74 × 75,664.62 - Step 4: Simplify right side
136,088.46x = 14,209,947,292.44 - Step 5: Solve for x
x = 14,209,947,292.44/136,088.46 - Step 6: Final answer
x = 104,416.99
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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.