Finding the Fourth Proportional to 139,448.44, 192,373.12 and 101,123.91
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Solution
The fourth proportional to 139,448.44, 192,373.12 and 101,123.91 is: 139,503.34
Step by Step Solution
- Step 1: Write the proportion equation
139,448.44 : 192,373.12 = 101,123.91 : x - Step 2: Convert to fraction form
139,448.44/192,373.12 = 101,123.91/x - Step 3: Cross multiply
139,448.44x = 192,373.12 × 101,123.91 - Step 4: Simplify right side
139,448.44x = 19,453,522,726.87 - Step 5: Solve for x
x = 19,453,522,726.87/139,448.44 - Step 6: Final answer
x = 139,503.34
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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.