Finding the Fourth Proportional to 109,664.01, 164,729.08 and 103,264.99
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Solution
The fourth proportional to 109,664.01, 164,729.08 and 103,264.99 is: 155,116.95
Step by Step Solution
- Step 1: Write the proportion equation
109,664.01 : 164,729.08 = 103,264.99 : x - Step 2: Convert to fraction form
109,664.01/164,729.08 = 103,264.99/x - Step 3: Cross multiply
109,664.01x = 164,729.08 × 103,264.99 - Step 4: Simplify right side
109,664.01x = 17,010,746,798.91 - Step 5: Solve for x
x = 17,010,746,798.91/109,664.01 - Step 6: Final answer
x = 155,116.95
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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.