Finding the Fourth Proportional to 106,549.97, 147,034.67 and 58,802.70
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Solution
The fourth proportional to 106,549.97, 147,034.67 and 58,802.70 is: 81,145.35
Step by Step Solution
- Step 1: Write the proportion equation
106,549.97 : 147,034.67 = 58,802.70 : x - Step 2: Convert to fraction form
106,549.97/147,034.67 = 58,802.70/x - Step 3: Cross multiply
106,549.97x = 147,034.67 × 58,802.70 - Step 4: Simplify right side
106,549.97x = 8,646,035,295.60 - Step 5: Solve for x
x = 8,646,035,295.60/106,549.97 - Step 6: Final answer
x = 81,145.35
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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.