Finding the Fourth Proportional to 119,000.13, 164,220.17 and 68,699.13
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Solution
The fourth proportional to 119,000.13, 164,220.17 and 68,699.13 is: 94,804.79
Step by Step Solution
- Step 1: Write the proportion equation
119,000.13 : 164,220.17 = 68,699.13 : x - Step 2: Convert to fraction form
119,000.13/164,220.17 = 68,699.13/x - Step 3: Cross multiply
119,000.13x = 164,220.17 × 68,699.13 - Step 4: Simplify right side
119,000.13x = 11,281,782,807.45 - Step 5: Solve for x
x = 11,281,782,807.45/119,000.13 - Step 6: Final answer
x = 94,804.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.