Finding the Fourth Proportional to 106,630.20, 147,148.74 and 58,883.94
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Solution
The fourth proportional to 106,630.20, 147,148.74 and 58,883.94 is: 81,259.32
Step by Step Solution
- Step 1: Write the proportion equation
106,630.20 : 147,148.74 = 58,883.94 : x - Step 2: Convert to fraction form
106,630.20/147,148.74 = 58,883.94/x - Step 3: Cross multiply
106,630.20x = 147,148.74 × 58,883.94 - Step 4: Simplify right side
106,630.20x = 8,664,697,577.24 - Step 5: Solve for x
x = 8,664,697,577.24/106,630.20 - Step 6: Final answer
x = 81,259.32
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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.