Finding the Fourth Proportional to 110,031.99, 151,917.05 and 84,492.52
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Solution
The fourth proportional to 110,031.99, 151,917.05 and 84,492.52 is: 116,655.66
Step by Step Solution
- Step 1: Write the proportion equation
110,031.99 : 151,917.05 = 84,492.52 : x - Step 2: Convert to fraction form
110,031.99/151,917.05 = 84,492.52/x - Step 3: Cross multiply
110,031.99x = 151,917.05 × 84,492.52 - Step 4: Simplify right side
110,031.99x = 12,835,854,216.90 - Step 5: Solve for x
x = 12,835,854,216.90/110,031.99 - Step 6: Final answer
x = 116,655.66
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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.