Finding the Fourth Proportional to 106,918.88, 160,267.61 and 88,000.13
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Solution
The fourth proportional to 106,918.88, 160,267.61 and 88,000.13 is: 131,909.09
Step by Step Solution
- Step 1: Write the proportion equation
106,918.88 : 160,267.61 = 88,000.13 : x - Step 2: Convert to fraction form
106,918.88/160,267.61 = 88,000.13/x - Step 3: Cross multiply
106,918.88x = 160,267.61 × 88,000.13 - Step 4: Simplify right side
106,918.88x = 14,103,571,135.46 - Step 5: Solve for x
x = 14,103,571,135.46/106,918.88 - Step 6: Final answer
x = 131,909.09
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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.