Finding the Fourth Proportional to 121,678.99, 182,263.89 and 97,857.77
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Solution
The fourth proportional to 121,678.99, 182,263.89 and 97,857.77 is: 146,581.90
Step by Step Solution
- Step 1: Write the proportion equation
121,678.99 : 182,263.89 = 97,857.77 : x - Step 2: Convert to fraction form
121,678.99/182,263.89 = 97,857.77/x - Step 3: Cross multiply
121,678.99x = 182,263.89 × 97,857.77 - Step 4: Simplify right side
121,678.99x = 17,835,937,826.93 - Step 5: Solve for x
x = 17,835,937,826.93/121,678.99 - Step 6: Final answer
x = 146,581.90
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1.5x scale
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.