Finding the Fourth Proportional to 141,330.84, 195,037.65 and 77,669.70
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Solution
The fourth proportional to 141,330.84, 195,037.65 and 77,669.70 is: 107,184.79
Step by Step Solution
- Step 1: Write the proportion equation
141,330.84 : 195,037.65 = 77,669.70 : x - Step 2: Convert to fraction form
141,330.84/195,037.65 = 77,669.70/x - Step 3: Cross multiply
141,330.84x = 195,037.65 × 77,669.70 - Step 4: Simplify right side
141,330.84x = 15,148,515,764.21 - Step 5: Solve for x
x = 15,148,515,764.21/141,330.84 - Step 6: Final answer
x = 107,184.79
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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.