Finding the Fourth Proportional to 147,023.64, 202,806.99 and 106,690.50
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Solution
The fourth proportional to 147,023.64, 202,806.99 and 106,690.50 is: 147,170.75
Step by Step Solution
- Step 1: Write the proportion equation
147,023.64 : 202,806.99 = 106,690.50 : x - Step 2: Convert to fraction form
147,023.64/202,806.99 = 106,690.50/x - Step 3: Cross multiply
147,023.64x = 202,806.99 × 106,690.50 - Step 4: Simplify right side
147,023.64x = 21,637,579,166.60 - Step 5: Solve for x
x = 21,637,579,166.60/147,023.64 - Step 6: Final answer
x = 147,170.75
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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.