Finding the Fourth Proportional to 106,214.40, 159,129.60 and 61,804.80
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Solution
The fourth proportional to 106,214.40, 159,129.60 and 61,804.80 is: 92,595.48
Step by Step Solution
- Step 1: Write the proportion equation
106,214.40 : 159,129.60 = 61,804.80 : x - Step 2: Convert to fraction form
106,214.40/159,129.60 = 61,804.80/x - Step 3: Cross multiply
106,214.40x = 159,129.60 × 61,804.80 - Step 4: Simplify right side
106,214.40x = 9,834,973,102.08 - Step 5: Solve for x
x = 9,834,973,102.08/106,214.40 - Step 6: Final answer
x = 92,595.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.