Finding the Fourth Proportional to 156,874.69, 235,305.82 and 135,746.18
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Solution
The fourth proportional to 156,874.69, 235,305.82 and 135,746.18 is: 203,613.89
Step by Step Solution
- Step 1: Write the proportion equation
156,874.69 : 235,305.82 = 135,746.18 : x - Step 2: Convert to fraction form
156,874.69/235,305.82 = 135,746.18/x - Step 3: Cross multiply
156,874.69x = 235,305.82 × 135,746.18 - Step 4: Simplify right side
156,874.69x = 31,941,866,196.77 - Step 5: Solve for x
x = 31,941,866,196.77/156,874.69 - Step 6: Final answer
x = 203,613.89
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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.