Finding the Fourth Proportional to 141,381.11, 195,104.36 and 76,848.95
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Solution
The fourth proportional to 141,381.11, 195,104.36 and 76,848.95 is: 106,050.69
Step by Step Solution
- Step 1: Write the proportion equation
141,381.11 : 195,104.36 = 76,848.95 : x - Step 2: Convert to fraction form
141,381.11/195,104.36 = 76,848.95/x - Step 3: Cross multiply
141,381.11x = 195,104.36 × 76,848.95 - Step 4: Simplify right side
141,381.11x = 14,993,564,822.18 - Step 5: Solve for x
x = 14,993,564,822.18/141,381.11 - Step 6: Final answer
x = 106,050.69
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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.