Finding the Fourth Proportional to 147,356.84, 203,425.14 and 102,069.32
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Solution
The fourth proportional to 147,356.84, 203,425.14 and 102,069.32 is: 140,906.02
Step by Step Solution
- Step 1: Write the proportion equation
147,356.84 : 203,425.14 = 102,069.32 : x - Step 2: Convert to fraction form
147,356.84/203,425.14 = 102,069.32/x - Step 3: Cross multiply
147,356.84x = 203,425.14 × 102,069.32 - Step 4: Simplify right side
147,356.84x = 20,763,465,710.70 - Step 5: Solve for x
x = 20,763,465,710.70/147,356.84 - Step 6: Final answer
x = 140,906.02
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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.