Finding the Fourth Proportional to 110,658.36, 152,665.02 and 68,143.08
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Solution
The fourth proportional to 110,658.36, 152,665.02 and 68,143.08 is: 94,010.65
Step by Step Solution
- Step 1: Write the proportion equation
110,658.36 : 152,665.02 = 68,143.08 : x - Step 2: Convert to fraction form
110,658.36/152,665.02 = 68,143.08/x - Step 3: Cross multiply
110,658.36x = 152,665.02 × 68,143.08 - Step 4: Simplify right side
110,658.36x = 10,403,064,671.06 - Step 5: Solve for x
x = 10,403,064,671.06/110,658.36 - Step 6: Final answer
x = 94,010.65
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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.