Finding the Fourth Proportional to 103,439.14, 154,852.51 and 63,869.02
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Solution
The fourth proportional to 103,439.14, 154,852.51 and 63,869.02 is: 95,614.47
Step by Step Solution
- Step 1: Write the proportion equation
103,439.14 : 154,852.51 = 63,869.02 : x - Step 2: Convert to fraction form
103,439.14/154,852.51 = 63,869.02/x - Step 3: Cross multiply
103,439.14x = 154,852.51 × 63,869.02 - Step 4: Simplify right side
103,439.14x = 9,890,278,058.24 - Step 5: Solve for x
x = 9,890,278,058.24/103,439.14 - Step 6: Final answer
x = 95,614.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.