Finding the Fourth Proportional to 134,545.26, 185,672.50 and 77,989.44
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Solution
The fourth proportional to 134,545.26, 185,672.50 and 77,989.44 is: 107,625.45
Step by Step Solution
- Step 1: Write the proportion equation
134,545.26 : 185,672.50 = 77,989.44 : x - Step 2: Convert to fraction form
134,545.26/185,672.50 = 77,989.44/x - Step 3: Cross multiply
134,545.26x = 185,672.50 × 77,989.44 - Step 4: Simplify right side
134,545.26x = 14,480,494,298.40 - Step 5: Solve for x
x = 14,480,494,298.40/134,545.26 - Step 6: Final answer
x = 107,625.45
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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.