Finding the Fourth Proportional to 134,569.60, 201,805.80 and 67,987.60
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Solution
The fourth proportional to 134,569.60, 201,805.80 and 67,987.60 is: 101,956.85
Step by Step Solution
- Step 1: Write the proportion equation
134,569.60 : 201,805.80 = 67,987.60 : x - Step 2: Convert to fraction form
134,569.60/201,805.80 = 67,987.60/x - Step 3: Cross multiply
134,569.60x = 201,805.80 × 67,987.60 - Step 4: Simplify right side
134,569.60x = 13,720,292,008.08 - Step 5: Solve for x
x = 13,720,292,008.08/134,569.60 - Step 6: Final answer
x = 101,956.85
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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.