Finding the Fourth Proportional to 146,271.84, 201,747.15 and 100,963.68
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Solution
The fourth proportional to 146,271.84, 201,747.15 and 100,963.68 is: 139,255.34
Step by Step Solution
- Step 1: Write the proportion equation
146,271.84 : 201,747.15 = 100,963.68 : x - Step 2: Convert to fraction form
146,271.84/201,747.15 = 100,963.68/x - Step 3: Cross multiply
146,271.84x = 201,747.15 × 100,963.68 - Step 4: Simplify right side
146,271.84x = 20,369,134,693.51 - Step 5: Solve for x
x = 20,369,134,693.51/146,271.84 - Step 6: Final answer
x = 139,255.34
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1.5x scale
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.