Finding the Fourth Proportional to 114,339.24, 157,737.87 and 68,991.93
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Solution
The fourth proportional to 114,339.24, 157,737.87 and 68,991.93 is: 95,178.52
Step by Step Solution
- Step 1: Write the proportion equation
114,339.24 : 157,737.87 = 68,991.93 : x - Step 2: Convert to fraction form
114,339.24/157,737.87 = 68,991.93/x - Step 3: Cross multiply
114,339.24x = 157,737.87 × 68,991.93 - Step 4: Simplify right side
114,339.24x = 10,882,640,085.39 - Step 5: Solve for x
x = 10,882,640,085.39/114,339.24 - Step 6: Final answer
x = 95,178.52
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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.