Finding the Fourth Proportional to 114,122.72, 157,496.64 and 63,822.08
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Solution
The fourth proportional to 114,122.72, 157,496.64 and 63,822.08 is: 88,078.55
Step by Step Solution
- Step 1: Write the proportion equation
114,122.72 : 157,496.64 = 63,822.08 : x - Step 2: Convert to fraction form
114,122.72/157,496.64 = 63,822.08/x - Step 3: Cross multiply
114,122.72x = 157,496.64 × 63,822.08 - Step 4: Simplify right side
114,122.72x = 10,051,763,157.81 - Step 5: Solve for x
x = 10,051,763,157.81/114,122.72 - Step 6: Final answer
x = 88,078.55
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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.