Finding the Fourth Proportional to 106,768.04, 147,328.62 and 59,013.68
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Solution
The fourth proportional to 106,768.04, 147,328.62 and 59,013.68 is: 81,432.65
Step by Step Solution
- Step 1: Write the proportion equation
106,768.04 : 147,328.62 = 59,013.68 : x - Step 2: Convert to fraction form
106,768.04/147,328.62 = 59,013.68/x - Step 3: Cross multiply
106,768.04x = 147,328.62 × 59,013.68 - Step 4: Simplify right side
106,768.04x = 8,694,404,035.52 - Step 5: Solve for x
x = 8,694,404,035.52/106,768.04 - Step 6: Final answer
x = 81,432.65
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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.