Finding the Fourth Proportional to 156,845.04, 235,135.26 and 68,031.64
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Solution
The fourth proportional to 156,845.04, 235,135.26 and 68,031.64 is: 101,990.08
Step by Step Solution
- Step 1: Write the proportion equation
156,845.04 : 235,135.26 = 68,031.64 : x - Step 2: Convert to fraction form
156,845.04/235,135.26 = 68,031.64/x - Step 3: Cross multiply
156,845.04x = 235,135.26 × 68,031.64 - Step 4: Simplify right side
156,845.04x = 15,996,637,359.63 - Step 5: Solve for x
x = 15,996,637,359.63/156,845.04 - Step 6: Final answer
x = 101,990.08
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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.