Finding the Fourth Proportional to 96,733.80, 144,927.90 and 79,108.20
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Solution
The fourth proportional to 96,733.80, 144,927.90 and 79,108.20 is: 118,520.99
Step by Step Solution
- Step 1: Write the proportion equation
96,733.80 : 144,927.90 = 79,108.20 : x - Step 2: Convert to fraction form
96,733.80/144,927.90 = 79,108.20/x - Step 3: Cross multiply
96,733.80x = 144,927.90 × 79,108.20 - Step 4: Simplify right side
96,733.80x = 11,464,985,298.78 - Step 5: Solve for x
x = 11,464,985,298.78/96,733.80 - Step 6: Final answer
x = 118,520.99
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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.