Finding the Fourth Proportional to 147,156.18, 203,069.56 and 83,492.62
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Solution
The fourth proportional to 147,156.18, 203,069.56 and 83,492.62 is: 115,216.43
Step by Step Solution
- Step 1: Write the proportion equation
147,156.18 : 203,069.56 = 83,492.62 : x - Step 2: Convert to fraction form
147,156.18/203,069.56 = 83,492.62/x - Step 3: Cross multiply
147,156.18x = 203,069.56 × 83,492.62 - Step 4: Simplify right side
147,156.18x = 16,954,809,606.65 - Step 5: Solve for x
x = 16,954,809,606.65/147,156.18 - Step 6: Final answer
x = 115,216.43
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1.5x scale
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.