Finding the Fourth Proportional to 134,163.68, 185,163.44 and 86,555.52
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Solution
The fourth proportional to 134,163.68, 185,163.44 and 86,555.52 is: 119,457.95
Step by Step Solution
- Step 1: Write the proportion equation
134,163.68 : 185,163.44 = 86,555.52 : x - Step 2: Convert to fraction form
134,163.68/185,163.44 = 86,555.52/x - Step 3: Cross multiply
134,163.68x = 185,163.44 × 86,555.52 - Step 4: Simplify right side
134,163.68x = 16,026,917,401.41 - Step 5: Solve for x
x = 16,026,917,401.41/134,163.68 - Step 6: Final answer
x = 119,457.95
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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.