Finding the Fourth Proportional to 147,171.06, 203,157.79 and 99,488.99
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Solution
The fourth proportional to 147,171.06, 203,157.79 and 99,488.99 is: 137,336.54
Step by Step Solution
- Step 1: Write the proportion equation
147,171.06 : 203,157.79 = 99,488.99 : x - Step 2: Convert to fraction form
147,171.06/203,157.79 = 99,488.99/x - Step 3: Cross multiply
147,171.06x = 203,157.79 × 99,488.99 - Step 4: Simplify right side
147,171.06x = 20,211,963,596.90 - Step 5: Solve for x
x = 20,211,963,596.90/147,171.06 - Step 6: Final answer
x = 137,336.54
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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.