Finding the Fourth Proportional to 110,983.99, 153,158.49 and 60,682.99
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Solution
The fourth proportional to 110,983.99, 153,158.49 and 60,682.99 is: 83,742.84
Step by Step Solution
- Step 1: Write the proportion equation
110,983.99 : 153,158.49 = 60,682.99 : x - Step 2: Convert to fraction form
110,983.99/153,158.49 = 60,682.99/x - Step 3: Cross multiply
110,983.99x = 153,158.49 × 60,682.99 - Step 4: Simplify right side
110,983.99x = 9,294,114,351.29 - Step 5: Solve for x
x = 9,294,114,351.29/110,983.99 - Step 6: Final answer
x = 83,742.84
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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.