Finding the Fourth Proportional to 132,683.14, 183,098.50 and 78,955.84
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Solution
The fourth proportional to 132,683.14, 183,098.50 and 78,955.84 is: 108,956.54
Step by Step Solution
- Step 1: Write the proportion equation
132,683.14 : 183,098.50 = 78,955.84 : x - Step 2: Convert to fraction form
132,683.14/183,098.50 = 78,955.84/x - Step 3: Cross multiply
132,683.14x = 183,098.50 × 78,955.84 - Step 4: Simplify right side
132,683.14x = 14,456,695,870.24 - Step 5: Solve for x
x = 14,456,695,870.24/132,683.14 - Step 6: Final answer
x = 108,956.54
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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.