Finding the Fourth Proportional to 106,883.18, 147,503.13 and 59,135.75
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Solution
The fourth proportional to 106,883.18, 147,503.13 and 59,135.75 is: 81,609.74
Step by Step Solution
- Step 1: Write the proportion equation
106,883.18 : 147,503.13 = 59,135.75 : x - Step 2: Convert to fraction form
106,883.18/147,503.13 = 59,135.75/x - Step 3: Cross multiply
106,883.18x = 147,503.13 × 59,135.75 - Step 4: Simplify right side
106,883.18x = 8,722,708,219.90 - Step 5: Solve for x
x = 8,722,708,219.90/106,883.18 - Step 6: Final answer
x = 81,609.74
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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.