Finding the Fourth Proportional to 148,812.44, 205,373.86 and 84,293.19
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Solution
The fourth proportional to 148,812.44, 205,373.86 and 84,293.19 is: 116,331.79
Step by Step Solution
- Step 1: Write the proportion equation
148,812.44 : 205,373.86 = 84,293.19 : x - Step 2: Convert to fraction form
148,812.44/205,373.86 = 84,293.19/x - Step 3: Cross multiply
148,812.44x = 205,373.86 × 84,293.19 - Step 4: Simplify right side
148,812.44x = 17,311,618,065.43 - Step 5: Solve for x
x = 17,311,618,065.43/148,812.44 - Step 6: Final answer
x = 116,331.79
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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.