Finding the Fourth Proportional to 145,954.01, 201,370.58 and 115,230.31
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Solution
The fourth proportional to 145,954.01, 201,370.58 and 115,230.31 is: 158,981.55
Step by Step Solution
- Step 1: Write the proportion equation
145,954.01 : 201,370.58 = 115,230.31 : x - Step 2: Convert to fraction form
145,954.01/201,370.58 = 115,230.31/x - Step 3: Cross multiply
145,954.01x = 201,370.58 × 115,230.31 - Step 4: Simplify right side
145,954.01x = 23,203,994,358.28 - Step 5: Solve for x
x = 23,203,994,358.28/145,954.01 - Step 6: Final answer
x = 158,981.55
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1.5x scale
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.