Finding the Fourth Proportional to 147,816.73, 203,987.28 and 84,154.53
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Solution
The fourth proportional to 147,816.73, 203,987.28 and 84,154.53 is: 116,133.35
Step by Step Solution
- Step 1: Write the proportion equation
147,816.73 : 203,987.28 = 84,154.53 : x - Step 2: Convert to fraction form
147,816.73/203,987.28 = 84,154.53/x - Step 3: Cross multiply
147,816.73x = 203,987.28 × 84,154.53 - Step 4: Simplify right side
147,816.73x = 17,166,452,909.43 - Step 5: Solve for x
x = 17,166,452,909.43/147,816.73 - Step 6: Final answer
x = 116,133.35
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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.