Finding the Fourth Proportional to 147,766.36, 203,925.44 and 84,124.68
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Solution
The fourth proportional to 147,766.36, 203,925.44 and 84,124.68 is: 116,096.53
Step by Step Solution
- Step 1: Write the proportion equation
147,766.36 : 203,925.44 = 84,124.68 : x - Step 2: Convert to fraction form
147,766.36/203,925.44 = 84,124.68/x - Step 3: Cross multiply
147,766.36x = 203,925.44 × 84,124.68 - Step 4: Simplify right side
147,766.36x = 17,155,162,383.86 - Step 5: Solve for x
x = 17,155,162,383.86/147,766.36 - Step 6: Final answer
x = 116,096.53
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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.