Finding the Fourth Proportional to 134,023.98, 184,915.35 and 86,305.02
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Solution
The fourth proportional to 134,023.98, 184,915.35 and 86,305.02 is: 119,076.62
Step by Step Solution
- Step 1: Write the proportion equation
134,023.98 : 184,915.35 = 86,305.02 : x - Step 2: Convert to fraction form
134,023.98/184,915.35 = 86,305.02/x - Step 3: Cross multiply
134,023.98x = 184,915.35 × 86,305.02 - Step 4: Simplify right side
134,023.98x = 15,959,122,980.06 - Step 5: Solve for x
x = 15,959,122,980.06/134,023.98 - Step 6: Final answer
x = 119,076.62
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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.