Finding the Fourth Proportional to 113,936.97, 157,130.85 and 94,879.83
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Solution
The fourth proportional to 113,936.97, 157,130.85 and 94,879.83 is: 130,849.09
Step by Step Solution
- Step 1: Write the proportion equation
113,936.97 : 157,130.85 = 94,879.83 : x - Step 2: Convert to fraction form
113,936.97/157,130.85 = 94,879.83/x - Step 3: Cross multiply
113,936.97x = 157,130.85 × 94,879.83 - Step 4: Simplify right side
113,936.97x = 14,908,548,335.76 - Step 5: Solve for x
x = 14,908,548,335.76/113,936.97 - Step 6: Final answer
x = 130,849.09
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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.