Finding the Fourth Proportional to 114,102.81, 157,461.18 and 63,114.63
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Solution
The fourth proportional to 114,102.81, 157,461.18 and 63,114.63 is: 87,097.80
Step by Step Solution
- Step 1: Write the proportion equation
114,102.81 : 157,461.18 = 63,114.63 : x - Step 2: Convert to fraction form
114,102.81/157,461.18 = 63,114.63/x - Step 3: Cross multiply
114,102.81x = 157,461.18 × 63,114.63 - Step 4: Simplify right side
114,102.81x = 9,938,104,115.06 - Step 5: Solve for x
x = 9,938,104,115.06/114,102.81 - Step 6: Final answer
x = 87,097.80
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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.