Finding the Fourth Proportional to 148,109.84, 204,391.36 and 80,126.68
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Solution
The fourth proportional to 148,109.84, 204,391.36 and 80,126.68 is: 110,574.70
Step by Step Solution
- Step 1: Write the proportion equation
148,109.84 : 204,391.36 = 80,126.68 : x - Step 2: Convert to fraction form
148,109.84/204,391.36 = 80,126.68/x - Step 3: Cross multiply
148,109.84x = 204,391.36 × 80,126.68 - Step 4: Simplify right side
148,109.84x = 16,377,201,097.48 - Step 5: Solve for x
x = 16,377,201,097.48/148,109.84 - Step 6: Final answer
x = 110,574.70
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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.