Finding the Fourth Proportional to 136,088.08, 187,800.84 and 76,472.08
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Solution
The fourth proportional to 136,088.08, 187,800.84 and 76,472.08 is: 105,531.07
Step by Step Solution
- Step 1: Write the proportion equation
136,088.08 : 187,800.84 = 76,472.08 : x - Step 2: Convert to fraction form
136,088.08/187,800.84 = 76,472.08/x - Step 3: Cross multiply
136,088.08x = 187,800.84 × 76,472.08 - Step 4: Simplify right side
136,088.08x = 14,361,520,860.55 - Step 5: Solve for x
x = 14,361,520,860.55/136,088.08 - Step 6: Final answer
x = 105,531.07
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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.