Finding the Fourth Proportional to 161,746.99, 223,207.84 and 90,125.49
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Solution
The fourth proportional to 161,746.99, 223,207.84 and 90,125.49 is: 124,371.49
Step by Step Solution
- Step 1: Write the proportion equation
161,746.99 : 223,207.84 = 90,125.49 : x - Step 2: Convert to fraction form
161,746.99/223,207.84 = 90,125.49/x - Step 3: Cross multiply
161,746.99x = 223,207.84 × 90,125.49 - Step 4: Simplify right side
161,746.99x = 20,116,714,610.49 - Step 5: Solve for x
x = 20,116,714,610.49/161,746.99 - Step 6: Final answer
x = 124,371.49
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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.