Finding the Fourth Proportional to 121,031.21, 181,545.91 and 32,291.87
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Solution
The fourth proportional to 121,031.21, 181,545.91 and 32,291.87 is: 48,437.55
Step by Step Solution
- Step 1: Write the proportion equation
121,031.21 : 181,545.91 = 32,291.87 : x - Step 2: Convert to fraction form
121,031.21/181,545.91 = 32,291.87/x - Step 3: Cross multiply
121,031.21x = 181,545.91 × 32,291.87 - Step 4: Simplify right side
121,031.21x = 5,862,455,936.29 - Step 5: Solve for x
x = 5,862,455,936.29/121,031.21 - Step 6: Final answer
x = 48,437.55
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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.