Finding the Fourth Proportional to 112,450.04, 168,702.71 and 79,234.98
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Solution
The fourth proportional to 112,450.04, 168,702.71 and 79,234.98 is: 118,871.95
Step by Step Solution
- Step 1: Write the proportion equation
112,450.04 : 168,702.71 = 79,234.98 : x - Step 2: Convert to fraction form
112,450.04/168,702.71 = 79,234.98/x - Step 3: Cross multiply
112,450.04x = 168,702.71 × 79,234.98 - Step 4: Simplify right side
112,450.04x = 13,367,155,852.80 - Step 5: Solve for x
x = 13,367,155,852.80/112,450.04 - Step 6: Final answer
x = 118,871.95
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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.