Finding the Fourth Proportional to 107,360.57, 160,990.87 and 39,845.58
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Solution
The fourth proportional to 107,360.57, 160,990.87 and 39,845.58 is: 59,749.82
Step by Step Solution
- Step 1: Write the proportion equation
107,360.57 : 160,990.87 = 39,845.58 : x - Step 2: Convert to fraction form
107,360.57/160,990.87 = 39,845.58/x - Step 3: Cross multiply
107,360.57x = 160,990.87 × 39,845.58 - Step 4: Simplify right side
107,360.57x = 6,414,774,490.24 - Step 5: Solve for x
x = 6,414,774,490.24/107,360.57 - Step 6: Final answer
x = 59,749.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.