Finding the Fourth Proportional to 134,289.52, 185,310.50 and 76,929.08
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Solution
The fourth proportional to 134,289.52, 185,310.50 and 76,929.08 is: 106,156.95
Step by Step Solution
- Step 1: Write the proportion equation
134,289.52 : 185,310.50 = 76,929.08 : x - Step 2: Convert to fraction form
134,289.52/185,310.50 = 76,929.08/x - Step 3: Cross multiply
134,289.52x = 185,310.50 × 76,929.08 - Step 4: Simplify right side
134,289.52x = 14,255,766,279.34 - Step 5: Solve for x
x = 14,255,766,279.34/134,289.52 - Step 6: Final answer
x = 106,156.95
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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.