Finding the Fourth Proportional to 156,854.18, 235,148.96 and 68,040.84
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Solution
The fourth proportional to 156,854.18, 235,148.96 and 68,040.84 is: 102,003.87
Step by Step Solution
- Step 1: Write the proportion equation
156,854.18 : 235,148.96 = 68,040.84 : x - Step 2: Convert to fraction form
156,854.18/235,148.96 = 68,040.84/x - Step 3: Cross multiply
156,854.18x = 235,148.96 × 68,040.84 - Step 4: Simplify right side
156,854.18x = 15,999,732,763.53 - Step 5: Solve for x
x = 15,999,732,763.53/156,854.18 - Step 6: Final answer
x = 102,003.87
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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.