Finding the Fourth Proportional to 134,135.60, 201,203.40 and 118,972.40
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Solution
The fourth proportional to 134,135.60, 201,203.40 and 118,972.40 is: 178,458.60
Step by Step Solution
- Step 1: Write the proportion equation
134,135.60 : 201,203.40 = 118,972.40 : x - Step 2: Convert to fraction form
134,135.60/201,203.40 = 118,972.40/x - Step 3: Cross multiply
134,135.60x = 201,203.40 × 118,972.40 - Step 4: Simplify right side
134,135.60x = 23,937,651,386.16 - Step 5: Solve for x
x = 23,937,651,386.16/134,135.60 - Step 6: Final answer
x = 178,458.60
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1.5x scale
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.