Finding the Fourth Proportional to 161,551.60, 242,586.60 and 109,193.20
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Solution
The fourth proportional to 161,551.60, 242,586.60 and 109,193.20 is: 163,964.99
Step by Step Solution
- Step 1: Write the proportion equation
161,551.60 : 242,586.60 = 109,193.20 : x - Step 2: Convert to fraction form
161,551.60/242,586.60 = 109,193.20/x - Step 3: Cross multiply
161,551.60x = 242,586.60 × 109,193.20 - Step 4: Simplify right side
161,551.60x = 26,488,807,131.12 - Step 5: Solve for x
x = 26,488,807,131.12/161,551.60 - Step 6: Final answer
x = 163,964.99
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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.