Finding the Fourth Proportional to 117,591.56, 162,214.14 and 74,495.02
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Solution
The fourth proportional to 117,591.56, 162,214.14 and 74,495.02 is: 102,763.72
Step by Step Solution
- Step 1: Write the proportion equation
117,591.56 : 162,214.14 = 74,495.02 : x - Step 2: Convert to fraction form
117,591.56/162,214.14 = 74,495.02/x - Step 3: Cross multiply
117,591.56x = 162,214.14 × 74,495.02 - Step 4: Simplify right side
117,591.56x = 12,084,145,603.58 - Step 5: Solve for x
x = 12,084,145,603.58/117,591.56 - Step 6: Final answer
x = 102,763.72
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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.