Finding the Fourth Proportional to 98,775.24, 148,026.24 and 85,594.92
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Solution
The fourth proportional to 98,775.24, 148,026.24 and 85,594.92 is: 128,273.99
Step by Step Solution
- Step 1: Write the proportion equation
98,775.24 : 148,026.24 = 85,594.92 : x - Step 2: Convert to fraction form
98,775.24/148,026.24 = 85,594.92/x - Step 3: Cross multiply
98,775.24x = 148,026.24 × 85,594.92 - Step 4: Simplify right side
98,775.24x = 12,670,294,170.70 - Step 5: Solve for x
x = 12,670,294,170.70/98,775.24 - Step 6: Final answer
x = 128,273.99
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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.